TY  - RPRT
TI  - The adjustable supraglottiscope.
AU  - S M Zeitels
AU  - C W Vaughan
PY  - 1990
DO  - 10.1177/019459989010300326
UR  - https://pubmed.ncbi.nlm.nih.gov/2122385/
ID  - 2122385
ER  -