TY  - RPRT
TI  - Bronchoscopy. Enough or too much?
AU  - R P Sen
AU  - T E Walsh
PY  - 1989
DO  - 10.1378/chest.96.4.710
UR  - https://pubmed.ncbi.nlm.nih.gov/2520563/
ID  - 2520563
ER  -