TY  - RPRT
TI  - Phonocardiographic method of assessing changes in left ventricular function after Starr-Edwards replacement of aortic valve.
AU  - D G Gibson
AU  - G Broder
AU  - E Sowton
PY  - 1970
DO  - 10.1136/hrt.32.2.142
UR  - https://pubmed.ncbi.nlm.nih.gov/5440511/
ID  - 5440511
ER  -