TY - GEN AU - Gage,A A TI - Implantable cardiac pacemakers SN - 0098-8243 PY - 1982///0624 KW - Age Factors KW - Aged KW - Cardiac Pacing, Artificial KW - Heart Block KW - therapy KW - Humans KW - Male KW - Middle Aged KW - Pacemaker, Artificial KW - economics N1 - Publication Type: Journal Article ER -