TY  - RPRT
TI  - [Chronic obstructive pulmonary disease (COPD): problems and the solution in elderly patients].
AU  - Kozui Kida
PY  - 2003
DO  - 10.3143/geriatrics.40.455
UR  - https://pubmed.ncbi.nlm.nih.gov/14579711/
ID  - 14579711
ER  -