TY  - RPRT
TI  - [Chronic obstructive pulmonary disease (COPD)].
AU  - H Sasaki
AU  - S Itabashi
AU  - T Fukushima
AU  - K Sekizawa
PY  - 1993
UR  - https://pubmed.ncbi.nlm.nih.gov/8094571/
ID  - 8094571
ER  -