@misc{indiciae0afa862dab0c, title = {Is echocardiography a reliable tool?}, author = {P Hanrath and M Schlüter}, year = {1983}, doi = {10.1093/eurheartj/4.suppl\_a.89}, url = {https://pubmed.ncbi.nlm.nih.gov/6220902/}, note = {Source identifier: 6220902} }