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[文献書誌] Harada T, Iwanaga A, Yamashita Y, Okazaki Y, Takeuchi H: "Physical training makes Japanese junior high school students morning-typed"Chronobiology International. 18巻6号. 1112-1113 (2001)
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[文献書誌] Takeuchi H, Yamashita Y, Harada T: "A sexual difference in morningness-eveningness is absent from current studies in Japanese junior high school"Chronobiology International. 18巻6号. 1198-1199 (2001)
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[文献書誌] Harada T, Takeuchi H, Martoni M, Natale V: "Circadian typology in students aged 13-15: A comparison between Japanese and Italian samples"Chronobiology International. 18巻6号. 1113-1114 (2001)
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[文献書誌] Harada T, Inoue S, Watanabe M: "Low temperature promotes the regeneration of once histolysed flight muscles and flight behaviour in a water strider. Aquarius paludum"Proceedings of IVth European Workshop of Invertebrate Ecophysiology. 84 (2001)
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[文献書誌] Harada T, Miyata S, Nagae I, Sone N, Saiki H, Hataoka Y: "1. Cold, heat and drought hardiness of a water strider, Aquarius paludum"Proceedings of IVth European Workshop of Invertebrate Ecophysiology. 85 (2001)
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[文献書誌] Harada T. Inoue M: "Do majoring subjects affect morningness-eveningness preference by Japanese students?"Journal of Human Ergology. 28巻1号. 49-54 (1999)
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[文献書誌] Takeuchi H, Inoue M, Watanabe N, Yamashita Y, Hamada M, Kadota G, Harada T: "Parental enforcement of bedtime during childfood results in Japanese junior students preferring morningness to eveningness"Chronobiology International. 18巻5号. 823-829 (2001)
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[文献書誌] 原田哲夫, 竹内日登美: "児童・生徒・学生の生活リズムと睡眠習慣についての疫学的研究 (総説)"日本時間生物学会会誌. 3巻1号. 37-46 (2001)
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[文献書誌] Takeuchi H, Hino N, Iwanaga A, Matsuoka A, Harada T: "Light conditions during sleep period and sleep-related lifestyle in Japanese students"Psychiatry and Clinical Neurosciences. 26巻. 221-222 (2001)
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[文献書誌] Harada T, Taniguchi Y: "Adult diapause of a monovoltine water strider, Gerris gracilicornis (Heteropetera : Gerromorpha)"Acta Soc. Zool. Bohem.. 65巻2号. 181-187 (2001)
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[文献書誌] Saiki H, Harada T: "A Leaf Beetle, Galerucella nippnensis, as Available Food Resource for a Water Strider, Gerris nepalensis"Jpn. J. Ent. (N.S.). 5巻1号. 7 (2002)