TY - RPRT TI - Rapid ventricular parasystole with possible multilevel exit block. AU - S Ogawa AU - L S Dreifus AU - Y Watanbe PY - 1981 DO - 10.1016/s0022-0736(81)80014-3 UR - https://pubmed.ncbi.nlm.nih.gov/7264508/ ID - 7264508 ER -