TY  - RPRT
TI  - [The relationship between left ventricular ejection fraction measured by first transit time-activity and functional classification of the cardiac patients (author's transl)].
AU  - K Machida
AU  - J Nishikawa
AU  - Y Itai
PY  - 1978
UR  - https://pubmed.ncbi.nlm.nih.gov/748649/
ID  - 748649
ER  -