TY - RPRT TI - Pacemaker survival for 5.5 years. AU - V Parsonnet AU - L Gilbert AU - I R Zucker PY - 1975 DO - 10.1016/0002-8703(75)90334-8 UR - https://pubmed.ncbi.nlm.nih.gov/1163433/ ID - 1163433 ER -