TY  - RPRT
TI  - Left ventricular function: assessment by wide angle two-dimensional ultrasonic sector scanning.
AU  - H Rakowski
AU  - R P Martin
AU  - R L Popp
PY  - 1979
DO  - 10.1111/j.0954-6820.1979.tb01093.x
UR  - https://pubmed.ncbi.nlm.nih.gov/286501/
ID  - 286501
ER  -