TY - RPRT TI - Pacemakers and exercise. Current status, future developments and practical implications of physiological pacemakers. AU - N A Estes AU - G Brockington AU - A S Manolis AU - D Salem PY - 1989 DO - 10.2165/00007256-198908010-00001 UR - https://pubmed.ncbi.nlm.nih.gov/2675251/ ID - 2675251 ER -