1. 3 T Izumi, O Doi, and A Nobechi et al.[Nation-wide Survey of Diffuse Panbronchiolitis(Author's Translation).]Annual Report on the study of interstitial lung disease in 1982. Grant-in Aid from the Ministry of Health and Welfare of Japan, Tokyo, Japan.1983 ; 3 -41 (in Japanese).
2. Diffuse Panbronchiolitis