@misc{indiciae2acdb801fa36, title = {Premature ventricular complex morphology. A marker for left ventricular structure and function.}, author = {K P Moulton and T Medcalf and R Lazzara}, year = {1990}, doi = {10.1161/01.cir.81.4.1245}, url = {https://pubmed.ncbi.nlm.nih.gov/1690614/}, note = {Source identifier: 1690614} }