TY  - RPRT
TI  - Predicting difficult intubation.
AU  - I Calder
PY  - 1992
DO  - 10.1111/j.1365-2044.1992.tb02281.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1445554/
ID  - 1445554
ER  -