TY  - RPRT
TI  - A noncomputerized count-based technique for the determination of resting left ventricular ejection fraction.
AU  - K H Gerber
AU  - R A Slutsky
AU  - K F Witztum
AU  - C B Higgins
AU  - W L Ashburn
PY  - 1982
DO  - 10.1148/radiology.144.3.6285415
UR  - https://pubmed.ncbi.nlm.nih.gov/6285415/
ID  - 6285415
ER  -