@misc{indiciae50e5ed39e215, title = {Diagnosis of symptomless left ventricular dysfunction.}, author = {D B Barnett}, year = {1993}, doi = {10.1016/0140-6736(93)93132-k}, url = {https://pubmed.ncbi.nlm.nih.gov/8097808/}, note = {Source identifier: 8097808} }