RT Journal Article SR Electronic T1 Premature ventricular contraction–induced cardiomyopathy entails more than only systolic left ventricular dysfunction JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 164 OP 164 DO 10.1136/heartjnl-2019-315649 VO 106 IS 2 A1 Ferit Onur Mutluer A1 Uğur Canpolat A1 Sing-Chien Yap YR 2020 UL http://heart.bmj.com/content/106/2/164.abstract AB