TY - RPRT TI - Dual antegrade His bundle pathways with alternating bundle branch block. AU - R Ahmed AU - P T Sager AU - M Behboodikah AU - B N Singh PY - 1993 DO - 10.1016/0002-8703(93)90777-7 UR - https://pubmed.ncbi.nlm.nih.gov/8498329/ ID - 8498329 ER -