title: Geoffrey O. Hartzler.
authors.affiliation: William Beaumont Hospital, Royal Oak, Michigan, USA. Kahn642@aol.com
authors.forename: Joel K
authors.initials: JK
authors.lastname: Kahn
mesh_terms: D002309:Cardiology / Q000266:history*; D002404:Catheterization / Q000266:history*; D017147:Defibrillators, Implantable / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008297:Male; D014481:United States