TY  - RPRT
TI  - Diagnostic challenges defining heart failure when using echocardiograms.
AU  - Usha Subramanian
AU  - Morris Weinberger
AU  - Stephan D Fihn
AU  - William M Tierney
PY  - 2003
DO  - 10.1016/s0002-9149(03)00130-9
UR  - https://pubmed.ncbi.nlm.nih.gov/12686354/
ID  - 12686354
ER  -