TY  - RPRT
TI  - Letter: Mean normalized systolic ejection rates.
AU  - K Chatterjee
PY  - 1974
DO  - 10.1161/01.cir.50.6.1282-a
UR  - https://pubmed.ncbi.nlm.nih.gov/4430122/
ID  - 4430122
ER  -