TY  - RPRT
TI  - Assessment of left ventricular function by noninvasive methods.
AU  - A A Luisada
AU  - A Singhal
AU  - F Portaluppi
PY  - 1985
DO  - 10.1159/000410758
UR  - https://pubmed.ncbi.nlm.nih.gov/4003144/
ID  - 4003144
ER  -