TY - RPRT TI - Pacemaker-mediated tachycardias: an unresolved problem. AU - J W Harthorne AU - A C Eisenhauer AU - D M Steinhaus PY - 1984 DO - 10.1111/j.1540-8159.1984.tb05674.x UR - https://pubmed.ncbi.nlm.nih.gov/6209649/ ID - 6209649 ER -