@misc{indiciaebffddd4fef99, title = {Diagnostic challenges defining heart failure when using echocardiograms.}, author = {Usha Subramanian and Morris Weinberger and Stephan D Fihn and William M Tierney}, year = {2003}, doi = {10.1016/s0002-9149(03)00130-9}, url = {https://pubmed.ncbi.nlm.nih.gov/12686354/}, note = {Source identifier: 12686354} }