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Intelligent CAD Based on Anatomical Classification

Research Project

Project/Area Number 15070209
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionThe University of Tokushima

Principal Investigator

NIKI Noboru  The University of Tokushima, Graduate School, Institute of technology and science, Professor (80116847)

Co-Investigator(Kenkyū-buntansha) KUBO Mitsuru  University of Tokushima, Graduate School, Institute of technology and science, Assistant Professor (30325245)
NISHITANI Hiromu  University of Tokushima, Graduate School, Institute of Health Biosciences, Professor (50117206)
EGUCHI Kenji  Tokai University, School of medicine, Professor (30349336)
NAKANO Yasutaka  Shiga University, Medical Science, Lecturer (00362377)
OHMATSU Hironobu  National cancer center, 国立がんセンター, Researcher (40415518)
河田 佳樹  徳島大学, 大学院・ソシオテクノサイエンス研究部, 助教授 (70274264)
上野 淳二  徳島大学, 医学部, 教授 (60116788)
山本 眞司  中京大学, 情報理工学部, 教授 (80230556)
片田 和廣  藤田保健衛生大学, 医学部, 教授 (00101684)
Project Period (FY) 2003 – 2006
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥80,000,000 (Direct Cost: ¥80,000,000)
Fiscal Year 2006: ¥20,000,000 (Direct Cost: ¥20,000,000)
Fiscal Year 2005: ¥20,000,000 (Direct Cost: ¥20,000,000)
Fiscal Year 2004: ¥20,000,000 (Direct Cost: ¥20,000,000)
Fiscal Year 2003: ¥20,000,000 (Direct Cost: ¥20,000,000)
KeywordsIntelligent CAD / Anatomical classification / Image database / Multi-organ, multi-disease / Lung・heart・bone diseases / 解剖学的分類 / 大規模症例画像データベース / 胸部3次元CT画像 / 知的CADシステム / 検出・診断アルゴリズム / デジタル診断環境 / マルチスライスCT / 肺がん / 検出 / 鑑別 / 肺気腫 / 冠動脈石灰化 / 骨粗鬆症 / 計算機支援診断 / 3次元CT画像 / コンピュータ支援診断 / 検出と分類 / 画像処理
Research Abstract

Recently, it is a large amount of burden for physicians to diagnose massive multi-detector row CT images in Japan. Our project aims to develop a sophisticated system for physicians to diagnose a large amount of the CT images effectively through CAD. Principal items of this research and development are as follows:
-Construction of massive image database of multi-organ, multi-disease.
-Development of multi-diseases detection based on 3-D CT images.
-Development of integrated system that aids physicians to diagnose lung diseases, heart vessel diseases, and bone diseases using 3-D CT images.
In this study, main target diseases for detection are lung cancer, pulmonary emphysema, calcification of coronary artery, and osteoporosis. Research results are as follows.
1. Construction of massive image database of multi-organ, multi-disease: In secondary use of medical information for research and education, approval by ethics committee in each medical site is essential. The committee requires the prote … More ction of personal information of DICOM header information. We developed anonymization method which can flexibly comply with the policy that specified by each medical site and then, developed a system which smoothly anonymizes large-scale DICOM images in each medical site. The system is now operating in five medical site.
2. Development of multi-diseases detection based on 3-D CT images.
(2-1) multi-organ segmentation and quantitative analyses: We developed methods that can segment anatomical structures such as bone, chest wall, mediastinum, diaphragm, vessel, bronchus, etc. Introducing spatial location concerning the thoracic anatomy, bronchus nomenclation and lung lobe segmentation techniques were developed.
(2-2) Detection of candidate of lung cancer: We developed a detection algorithm based on the lung anatomical information of nodule candidates from large cases to small cases with GGO using low-dose multi-detector row CT images.
(2-3) Detection of candidate of pulmonary emphysema: We developed a method to extract low attenuation areas (LAA) in lung region on 3-D low-dose CT images. The detection method allows us to analyze volume and distribution patterns of the detected LAA. Additionally, it is possible to trace the time interval change of LAA volume.
(2-4) Detection of calcification candidate of coronary artery: We developed a method to extract high attenuation areas on coronary artery that is automatically identified. In order to improve the detection accuracy, we reduced detection area by using the segmented aorta and pulmonary artery region.
(2-5) Detection of candidate of osteoporosis: We developed an extraction algorithm of thoracic vertebrae to measure CT number inside cancellous tissue and bone density. From the comparison of the average CT value inside the extracted cancellous tissue on the basis of the generation, we developed an algorithm for differentiating abnormalities from normal bones.
3. Integrated system: We have been integrating the detection algorithms into a prototype system with graphical user interface. We validated the effectiveness of the prototype system using a large dataset with the cooperation of medical experts. Less

Report

(5 results)
  • 2007 Final Research Report Summary
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • 2003 Annual Research Report
  • Research Products

    (67 results)

All 2007 2006 2005 2004 2003 Other

All Journal Article (57 results) (of which Peer Reviewed: 8 results) Presentation (2 results) Book (1 results) Publications (7 results)

  • [Journal Article] SAKURA-viewer : Intelligent order history viewer based on two-viewpoint architecture2007

    • Author(s)
      S. Toyota
    • Journal Title

      IEEE Transactions on Information Technology in Biomedicine Vol. 11

      Pages: 141-152

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] SAKURA-viewer : Intelligent order history viewer based on two-viewpoint architecture2007

    • Author(s)
      S.Toyota
    • Journal Title

      IEEE Transactions on Information Technology in Biomedicine Vol.11, No.2

      Pages: 141-152

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Algorithm of pulmonary emphysema extraction using thoracic 3-D CT images2007

    • Author(s)
      S.Saita
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Classifying pulmonary nodules using dynamic enhanced CT images based on CT number histogram2007

    • Author(s)
      K.Minami
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Bone, blood vessels and muscle detection algorithm and creating database based on dynamic and non-dynamic multi slice CT image of head and neck2007

    • Author(s)
      M.S.Ahamed
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Anonymization server system for DICOM images2007

    • Author(s)
      H.Suzuki
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Automated anatomical labeling algorithm of bronchial branches based on multi-slice CT images2007

    • Author(s)
      J.Kawai
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Extracting alveolar structure of human lung tissue specimens based on surface skeleton representation from 3-D micro-CT images2007

    • Author(s)
      H.Ishimori
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Classification algorithm of pulmonary vein and arterybased on multi-slice CT image2007

    • Author(s)
      T.Yonekura
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Computer-aided diagnosis workstation and network system for chest diagnosis based on multislice CT images2007

    • Author(s)
      H.Satoh
    • Journal Title

      Proc. SPIE Medical Imaging (To appear)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Computer-simulation technique for low dose CT screening2006

    • Author(s)
      K. Hanai
    • Journal Title

      Journal of Computer Assisted Tomography Vol. 30

      Pages: 955-961

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] 呼吸器・循環器のCAD2006

    • Author(s)
      仁木登
    • Journal Title

      Medical Imaging Technology Vol. 24

      Pages: 161-166

    • NAID

      10019160345

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Invited talk A multi-organ multi-disease CAD using chest 3D CT images2006

    • Author(s)
      N. Niki
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol. 1

      Pages: 345-346

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] CAD for respiratory and cardiovascular systems2006

    • Author(s)
      N. Niki
    • Journal Title

      Medical Imaging Technology Vol. 24

      Pages: 161-166

    • NAID

      10019160345

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Journal Article] Computer-simulation technique for low dose CT screening2006

    • Author(s)
      K.Hanai
    • Journal Title

      Journal of Computer Assisted Tomography Vol.30, No.6

      Pages: 955-961

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 呼吸器・循環器のCAD2006

    • Author(s)
      仁木登
    • Journal Title

      Medical Imaging Technology Vol.24, No.3

      Pages: 161-166

    • NAID

      10019160345

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Visualization and quantitative analysis of alveoli structure of human lung tissue specimens based on micro 3-D CT images2006

    • Author(s)
      H.Ishimori
    • Journal Title

      RSNA Scientific Assembly and Annual Meeting program

      Pages: 782-782

    • Related Report
      2006 Annual Research Report
  • [Journal Article] computer-aided diagnosis of osteoporosis using multi-slice CT images2006

    • Author(s)
      M.Uehara
    • Journal Title

      RSNA Scientific Assembly and Annual Meeting program

      Pages: 779-780

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A multi-organ multi-disease CAD using chest 3D CT images2006

    • Author(s)
      N.Niki
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 345-346

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Algorithm of pulmonary emphysema extraction using low dose thoracic 3-D CT images2006

    • Author(s)
      S.Saita
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 522-522

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Classifying pulmonary nodules using dynamic enhanced CT images2006

    • Author(s)
      K.Minami
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 521-521

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Quantitative evaluation of osteoporosis likelihood using multi-slice CT images2006

    • Author(s)
      M.Uehara
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 461-462

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Lower jaw detection algorithm for jaw joint analysis using dynamic and non-dynamic CT image2006

    • Author(s)
      M.S.Ahamed
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 533-534

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Automated anatomical labeling algorithm of bronchial branches based on multi-slice CT images2006

    • Author(s)
      J.Kawai
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 521-522

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A classification algorithm of pulmonary vein and artery based on multi-slice CT image2006

    • Author(s)
      T.Nishio
    • Journal Title

      International Journal of Computer Assisted Radiology and Surgery Vol.1

      Pages: 521-521

    • Related Report
      2006 Annual Research Report
  • [Journal Article] CT number histogram-based classification of peripheral lung adenocarcinomas of thin-section CT images : Correlation with histlogic prognostic factors2006

    • Author(s)
      Y.Kawata
    • Journal Title

      14th International Conference on Screening for Lung Cancer

    • Related Report
      2006 Annual Research Report
  • [Journal Article] A classification algorithm of pulmonary vein and artery based on multi-slice CT image2006

    • Author(s)
      M.Matsuhiro
    • Journal Title

      14th International Conference on Screening for Lung Cancer

    • Related Report
      2006 Annual Research Report
  • [Journal Article] SAKURA-Viewer : Intelligent Order History Viewer based on Two-Viewpoint Architecture2006

    • Author(s)
      S.Toyota
    • Journal Title

      IEEE Transactions on Information Technology in Biomedicine to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Construction Method of Three-dimensional Deformable Template Models for Tree-shaped Organs2006

    • Author(s)
      H.Takizawa
    • Journal Title

      IEICE Transactions on Information and Systems vol.E89-D, No.1

      Pages: 326-331

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Computer-aided diagnosis workstation and data base system for chest diagnosis based on multihelical CT images2006

    • Author(s)
      H.Sato
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Classifying pulmonary nodules using dynamic enhancement multislice CT images2006

    • Author(s)
      K.Minami
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Growth-rate estimation of pulmonary nodules in three-dimensional thoracic CT images based on CT density histogram analysis and its application to nodule classification2006

    • Author(s)
      Y.Kawata
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Algorithm of Pulmonary Emphysema Extraction Using Low Dose Thoracic3-D CT Images2006

    • Author(s)
      S.Saita
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Calculating the amount of feature for classification Algorithm of pulmonary vein and artery2006

    • Author(s)
      T.Nisio
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Automated anatomical labeling algorithm of bronchial branches based on Multi-Slice CT images2006

    • Author(s)
      J.Kawai
    • Journal Title

      Proc.SPIE Medical Imaging to appear

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Development of a novel computer-aided diagnosis system for automatic discrimination of malignant from benign solitary pulmonary nodules on thin-section dynamic computed tomography2005

    • Author(s)
      K. Mori
    • Journal Title

      Journal of Computer Assisted Tomography Vol. 29

      Pages: 215-222

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] A computer- aided diagnosis (CAD) system in lung cancer screening with computed tomography2005

    • Author(s)
      Y. Abe
    • Journal Title

      Anticancer Research Vol. 25

      Pages: 483-488

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Development of a Novel Computer-Aided is Diagnosis System for Automatic Discrimination of Malignant From Benign Solitary Pulmonary Nodules on Thin-section Dynamic Computed Tomography2005

    • Author(s)
      K.Mori
    • Journal Title

      J Comput Assist Tomogr Vol.29, No.2

      Pages: 215-222

    • Related Report
      2005 Annual Research Report
  • [Journal Article] A Computer- aided Diagnosis(CAD) System in Lung Cancer Screening with Computed Tomography2005

    • Author(s)
      Y.Abe
    • Journal Title

      Anticancer Research Vol.25, No.1B

      Pages: 483-488

    • Related Report
      2005 Annual Research Report
  • [Journal Article] ヘリカルCT画像の肺がんCADシステムの臨床運用2005

    • Author(s)
      仁木登
    • Journal Title

      肺癌 Vol.45, No.2

      Pages: 173-181

    • NAID

      110003141346

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Eigen Image Recognition of Pulmonary Nodules from Thoracic CT Images by Use of Subspace Method2005

    • Author(s)
      G.Fukano
    • Journal Title

      IEICE Transactions on Information and Systems vol.E88-D-II, num.6

      Pages: 1273-1283

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Quantitative Evaluation of Osteoporosis Likelihood Using Low Dose Thoracic 3-D CT Images2005

    • Author(s)
      M.Uehara
    • Journal Title

      RSNA

      Pages: 816-816

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Quantitative Analysis of Alveoli Structure of Humman Lung Tissue Specimens Based on Micro 3-D CT Images2005

    • Author(s)
      H.Ishimori
    • Journal Title

      RSNA

      Pages: 749-749

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Quantitative Evaluation of Low Attenuation Area Distribution for Assisting Pulmonary Emphysema Diagnosis Using Low Dose Thoracic 3-D CT Images2005

    • Author(s)
      N.Hashimoto
    • Journal Title

      RSNA

      Pages: 753-753

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Quantitative Classification of Small Pulmonary Adenocarcinomas based on CT Number Histogram Patterns2005

    • Author(s)
      K.Minami
    • Journal Title

      I-ELCAP

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Three-dimensional analysis method for quantifying emphysema using multislice computed tomography2005

    • Author(s)
      Y.Nakano
    • Journal Title

      ATS2005

      Pages: 180-180

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Intelligent CAD based on Anatomical Classification2005

    • Author(s)
      N.Niki
    • Journal Title

      12th International Conference on Screening for Lung Cancer

    • Related Report
      2005 Annual Research Report
  • [Journal Article] False Positive Reduction for Ground Glass Opacities in CT by Feature Analysis based on a Multiple-Region Extraction Technique2005

    • Author(s)
      M.Harada
    • Journal Title

      Proceedings of the Seventh IASTED International Conference Signal and Image Processing

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Recognition of Object Surfaces from Stereo Data using a Three-Dimensional Markov Random Field Model2005

    • Author(s)
      H.Takizawa
    • Journal Title

      Proceedings of the Seventh IASTED International Conference Signal and Image Processing

    • Related Report
      2005 Annual Research Report
  • [Journal Article] CTによる肺疾患検診へのCAD応用2004

    • Author(s)
      仁木 登
    • Journal Title

      映像情報メディカル Vol.36・No.4

      Pages: 402-409

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 肺癌のヘリカルCT検診におけるCAD2004

    • Author(s)
      仁木 登
    • Journal Title

      臨床放射線 Vol.49・No.3

      Pages: 395-402

    • Related Report
      2004 Annual Research Report
  • [Journal Article] A Prospective study of CAD system for lung cancer based on helical CT image2004

    • Author(s)
      M.Hasegawa
    • Journal Title

      Proc.SPIE Medical Imaging Vol.5372

      Pages: 430-437

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Comparative evaluation of lung test based on 2- and 10-mm thickness multi slice CT image2004

    • Author(s)
      D.Nishioka
    • Journal Title

      Proc.SPIE Medical Imaging Vol.5370

      Pages: 896-903

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Pulmonary nodule classification based on CT density distribution using 3D thoracic CT images2004

    • Author(s)
      Y.Kawata
    • Journal Title

      Proc.SPIN Medical Imaging Vol.5370

      Pages: 413-422

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Visualization and quantitative analysis of lung microstructure using micro CT images2004

    • Author(s)
      T.Yamamoto
    • Journal Title

      Proc.SPIE Medical Imaging Vol.5369

      Pages: 431-438

    • Related Report
      2004 Annual Research Report
  • [Journal Article] A deformable surface model based on boundary and region information for pulmonary nodule segmentation from 3-D thoracic CT images2003

    • Author(s)
      Y. Kawata
    • Journal Title

      IEICE Transaction on Information and Systems Vol. E86-D

      Pages: 1921-1930

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Example-based assisting approach for pulmonary nodule classification in three-dimensional thoracic computed tomography images2003

    • Author(s)
      Y. Kawata
    • Journal Title

      Academic Radiology Vol. 10

      Pages: 1402-1415

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
    • Peer Reviewed
  • [Presentation] Visualization and quantitative analysis of alveoli structure of human lung tissue specimens based on micro 3-D CT images2006

    • Author(s)
      H. Ishimori
    • Organizer
      RSNA Scientific Assembly and Annual Meeting program
    • Place of Presentation
      シカゴ
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Presentation] Visualization and quantitative analysis of alveoli structure of human lung tissue specimens based on micro 3-D CT images2006

    • Author(s)
      H. Ishimori
    • Organizer
      RSNA Scientific Assembly and Annual Meeting program
    • Place of Presentation
      Chicago
    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2007 Final Research Report Summary
  • [Book] Lecture Notes in Computer Science, Medical Image Computing and Computer-Assisted Intervention (C.Barillot, D.R.Haynor, P.Hellier Eds.)2004

    • Author(s)
      Y.Kawata
    • Publisher
      Spring-Verlag
    • Related Report
      2004 Annual Research Report
  • [Publications] 豊田修一: "指示データの集約化・視覚化による診療支援システムの開発"電子情報通信学会論文誌. J86-D-II, 7. 1111-1122 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Y.Kawata: "A deformable surface model based on boundary and region information for pulmonary nodule segmentation from 3-D thoracic CT images"IEICE Trans.On Information and Systems. E86-D, 9. 1921-1930 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Y.Kawata: "Example-based assisting approach for pulmonary nodule classification in three-dimensional thoracic computed tomography images"Academic Radiology. 10, 12. 1402-1415 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 財田伸介: "検診用マルチスライスCT画像の肺葉間裂抽出アルゴリズム"電子情報通信学会論文誌. J87-D-II, 1. 134-145 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] 河田佳樹: "高分解能CT画像による肺野小型結節解析における3次元曲面曲率と4次元超曲面曲率の考察"電子情報通信学会論文誌. J87-D-II, 1. 248-259 (2004)

    • Related Report
      2003 Annual Research Report
  • [Publications] H.Takizawa: "A recognition method of lung nodule shadows in X-ray CT images using 3D object model"International Journal of Image and Graphics. 3, 4. 533-545 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 仁木 登, 江口研二, 森山紀之(分担執筆): "肺癌の最新医療"先端医療技術研究所. 7 (2003)

    • Related Report
      2003 Annual Research Report

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Published: 2003-04-01   Modified: 2018-03-28  

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