TY  - RPRT
TI  - [Objective study of respiratory sounds using frequency analysis].
AU  - D M Zislin
AU  - V V Rozenblat
AU  - E I Likhacheva
PY  - 1969
UR  - https://pubmed.ncbi.nlm.nih.gov/5384735/
ID  - 5384735
ER  -