TY  - RPRT
TI  - Quantitation of left ventricular function by two-dimensional echocardiography.
AU  - R S Meltzer
AU  - O L Bastiaans
AU  - J Roelandt
PY  - 1981
UR  - https://pubmed.ncbi.nlm.nih.gov/6977968/
ID  - 6977968
ER  -