TY - RPRT TI - A multiprogrammable pacemaker with unipolar or bipolar option. AU - N P Smyth AU - D Sager PY - 1983 DO - 10.1016/0002-8703(83)90216-8 UR - https://pubmed.ncbi.nlm.nih.gov/6869227/ ID - 6869227 ER -