TY  - RPRT
TI  - [A new simple method for determining the ejection fraction by left ventriculography].
AU  - I Beránek
AU  - A Belán
AU  - M Netusil
PY  - 1975
UR  - https://pubmed.ncbi.nlm.nih.gov/1232169/
ID  - 1232169
ER  -