TY - RPRT TI - Characterization of left ventricular mechanical function during arrhythmias with two dimensional echocardiography. I. Premature ventricular contractions. AU - T Uchiyama AU - E Corday AU - S Meerbaum AU - T W Lang AU - P Gueret AU - M Povzhitkov AU - T Peter PY - 1981 DO - 10.1016/0002-9149(81)90146-6 UR - https://pubmed.ncbi.nlm.nih.gov/7025603/ ID - 7025603 ER -