title: The first cardiac electrophysiology examination for added qualifications: American Board of Internal Medicine.
authors: D P
authors: DP
authors: Zipes
authors: S M
authors: SM
authors: Downing
authors: R
authors: R
authors: Kangilaski
authors: J J
authors: JJ
authors: Norcini
mesh_terms: D002309:Cardiology; D004594:Electrophysiology; D006321:Heart / Q000502:physiology; D006801:Humans; D013044:Specialty Boards