TY - RPRT TI - Bipolar versus unipolar issues in DDD pacing. AU - R G Baker AU - E N Falkenberg PY - 1984 DO - 10.1111/j.1540-8159.1984.tb05680.x UR - https://pubmed.ncbi.nlm.nih.gov/6209655/ ID - 6209655 ER -