TY  - RPRT
TI  - Chronic bronchitis? Pulmonary emphysema?
AU  - M M ZISKIND
AU  - H WEILL
AU  - W J O'SHAUGHNESSEY
PY  - 1961
DO  - 10.1001/archinte.1961.03620090007002
UR  - https://pubmed.ncbi.nlm.nih.gov/13788646/
ID  - 13788646
ER  -