TY - RPRT TI - Hemodynamic study and left ventricular ejection time in ventricular bigeminy at different coupling intervals. AU - A Ronaszeki AU - A E Aubert AU - F Van de Werf AU - H De Geest PY - 1988 UR - https://pubmed.ncbi.nlm.nih.gov/2456649/ ID - 2456649 ER -