TY - RPRT TI - Eectrophysiological observations in pateints with rate dependent bundle branch block. AU - P Denes AU - D Wu AU - R C Dhingra AU - F Amat-y-leon AU - C Wyndham AU - K M Rosen PY - 1975 DO - 10.1161/01.cir.51.2.244 UR - https://pubmed.ncbi.nlm.nih.gov/1112004/ ID - 1112004 ER -