TY  - RPRT
TI  - Diffuse pulmonary emphysema and occupation.
AU  - R S MITCHELL
PY  - 1962
DO  - 10.1001/jama.1962.03050280001001
UR  - https://pubmed.ncbi.nlm.nih.gov/14474647/
ID  - 14474647
ER  -