TY  - RPRT
TI  - Pulmonary aspiration: an update.
AU  - R H Stewardson
AU  - L M Nyhus
PY  - 1977
DO  - 10.1001/archsurg.1977.01370100046009
UR  - https://pubmed.ncbi.nlm.nih.gov/334113/
ID  - 334113
ER  -