TY - RPRT TI - Routine pacemaker control, and selective replacement of pulse generators. A cost/benefit analysis. AU - H Grendahl PY - 1976 DO - 10.1111/j.0954-6820.1976.tb08381.x UR - https://pubmed.ncbi.nlm.nih.gov/1070227/ ID - 1070227 ER -