TY  - RPRT
TI  - Grade III laryngoscopy--which is it?
AU  - R Williamson
PY  - 1988
DO  - 10.1111/j.1365-2044.1988.tb09046.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3400865/
ID  - 3400865
ER  -