TY - RPRT TI - Cardiac pacing and pacemaker. III. Sensing the cardiac electrogram. AU - S Furman AU - P Hurzeler AU - V De Caprio PY - 1977 DO - 10.1016/s0002-8703(77)80078-1 UR - https://pubmed.ncbi.nlm.nih.gov/860680/ ID - 860680 ER -