TY  - RPRT
TI  - Controlled suction during flexible fiberoptic bronchoscopy.
AU  - D M Kovnat
PY  - 1975
DO  - 10.1378/chest.68.1.125
UR  - https://pubmed.ncbi.nlm.nih.gov/1149516/
ID  - 1149516
ER  -