A brief history of cardiac pacing.
Nelson
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Medtronic Inc., Minneapolis, Minnesota 55432-3576.
D002304:Cardiac Pacing, Artificial / Q000266:history*; D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D010138:Pacemaker, Artificial / Q000266:history*; D014481:United States