TY  - RPRT
TI  - A new, simplified and accurate method for determining ejection fraction with two-dimensional echocardiography.
AU  - M A Quinones
AU  - A D Waggoner
AU  - L A Reduto
AU  - J G Nelson
AU  - J B Young
AU  - W L Winters
AU  - L G Ribeiro
AU  - R R Miller
PY  - 1981
DO  - 10.1161/01.cir.64.4.744
UR  - https://pubmed.ncbi.nlm.nih.gov/7273375/
ID  - 7273375
ER  -