TY  - RPRT
TI  - A new ventricular-performance variable using electrocardiogram and carotid pulse contour derivative.
AU  - M A Frey
AU  - R M Siervogel
PY  - 1981
DO  - 10.1536/ihj.22.313
UR  - https://pubmed.ncbi.nlm.nih.gov/7265459/
ID  - 7265459
ER  -