TY  - RPRT
TI  - BRONCHITIS AND EMPHYSEMA.
AU  - C M FLETCHER
PY  - 1963
DO  - 10.1016/s0011-5029(63)80002-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14090644/
ID  - 14090644
ER  -