TY  - RPRT
TI  - Letter: Tracheobronchial suction catheters.
AU  - M A Sackner
PY  - 1976
DO  - 10.1378/chest.70.2.318b
UR  - https://pubmed.ncbi.nlm.nih.gov/947708/
ID  - 947708
ER  -