TY  - RPRT
TI  - External laryngeal manipulation: a simple intervention for difficult intubations.
AU  - Robert K Knopp
PY  - 2002
DO  - 10.1067/mem.2002.125058
UR  - https://pubmed.ncbi.nlm.nih.gov/12085071/
ID  - 12085071
ER  -