TY - RPRT TI - Sinus node electrogram recording in complete atrioventricular block. AU - D Zhang AU - S Chen AU - Y Xi PY - 1989 DO - 10.1016/0022-0736(89)90005-8 UR - https://pubmed.ncbi.nlm.nih.gov/2794832/ ID - 2794832 ER -