TY - RPRT TI - What is first, left bundle branch block or left ventricular dysfunction? AU - J Toquero AU - P Geelen AU - M Goethals AU - P Brugada PY - 2001 DO - 10.1046/j.1540-8167.2001.01425.x UR - https://pubmed.ncbi.nlm.nih.gov/11798003/ ID - 11798003 ER -