TY  - RPRT
TI  - Left ventricular performance during exercise: response of ear densitogram derivative.
AU  - B G Haffty
AU  - T Sugiura
AU  - N E O'Hare
AU  - D H Spodick
PY  - 1983
DO  - 10.1016/0002-9149(83)90090-5
UR  - https://pubmed.ncbi.nlm.nih.gov/6858907/
ID  - 6858907
ER  -