TY  - RPRT
TI  - Echocardiographic indices of left ventricular function. A comparison.
AU  - J R Wilson
AU  - N Reichek
PY  - 1979
DO  - 10.1378/chest.76.4.441
UR  - https://pubmed.ncbi.nlm.nih.gov/477433/
ID  - 477433
ER  -