TY  - RPRT
TI  - Difficult direct laryngoscopy.
AU  - R B Lewy
AU  - P A Brusca
PY  - 1976
DO  - 10.1288/00005537-197604000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/1263726/
ID  - 1263726
ER  -