TY  - RPRT
TI  - Postoperative pulmonary complications.
AU  - H J Forthman
AU  - A Shepard
PY  - 1969
DO  - 10.1097/00007611-196910000-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/4899147/
ID  - 4899147
ER  -