title: Early experiences in the study and development of an artificial electrical pacemaker for standstill of the heart: view from 1949.
mesh_terms: D000818:Animals; D004285:Dogs; D006323:Heart Arrest / Q000628:therapy*; D049673:History, 20th Century; D006801:Humans; D010138:Pacemaker, Artificial / Q000266:history* / Q000295:instrumentation; D012107:Research Design