TY  - GEN
AU  - Toohill,R J
AU  - Campbell,B H
TI  - An endoscopic ruler
SN  - 0194-5998
PY  - 1986///0331
KW  - Humans
KW  - Laryngoscopes
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1177/019459988609400120
ER  -