TY  - RPRT
TI  - Modified Macintosh laryngoscope.
AU  - J R RITCHIE
PY  - 1956
DO  - 10.1111/j.1365-2044.1956.tb08005.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13362910/
ID  - 13362910
ER  -