1) Kagawa, J. and Toyama, T.: Photochemical air pollution and its effects on respiratory function of elementary school children, Arch Environ Health, 30, 117-122 (1975).
3) Kagawa, J., Tsuru, K., Doi, T., Tsunoda, T., Toyama, T. and Nakaza, M.: Lung function studies on intermittently exercising high school students exposed to air pollution, In“Biological Studies of Environmental Pollutants: Nitrogen Oxides and Their Effects on Health”(Editor: Lee, S.D.), p. 333, Ann Arbor Science Publishers Inc., Michigan, U.S.A. (1980).
4) Kagawa, J. and Toyama, T.: Effects of ozone and brief exercise on specific airway conductance in man, Arch Environ Health, 30, 36-39 (1975).