TY  - RPRT
TI  - Rigid bronchoscopy revisited.
AU  - M S Shulman
AU  - I M Madoff
PY  - 1991
DO  - 10.1016/1053-0770(91)90314-j
UR  - https://pubmed.ncbi.nlm.nih.gov/1863753/
ID  - 1863753
ER  -