TY  - RPRT
TI  - Rales, rhonchi, and Laennec.
AU  - A J ROBERTSON
AU  - R COOPE
PY  - 1957
DO  - 10.1016/s0140-6736(57)92359-0
UR  - https://pubmed.ncbi.nlm.nih.gov/13464086/
ID  - 13464086
ER  -