[文献書誌] T.Nakadate, T.Yagami, Y.Zheng, M.Kotani, A.Nishida: "Longitudinal change in magnetopneumographic measurements in Japanese arc welders, in relation with working conditions, pulmonary function, and chest x-ray findings"Proceedings of the 12th International Conference on Biomagnetism. 1023-1026 (2002)