Y. Kumagai

发表

Y. Shiokawa, C. Abe, Y. Kumagai, 1979 .

Y. Shiokawa, C. Abe, Y. Kumagai, 1979, Arthritis and rheumatism.

Y. Sato, H. Hashimoto, S. Hirose, 1989, Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine.

T. Hirano, H. Hashimoto, K. Koga, 1989, Ryumachi. [Rheumatism].

R. Shoji, Y. Kumagai, A. Ezumi, 1984, Nihon Jinzo Gakkai shi.