title: Pursuing the perfect pacemaker.
authors.affiliation: Johns Hopkins Hospital, Baltimore, MD 21205.
authors.forename: J A
authors.initials: JA
authors.lastname: Brinker
mesh_terms: D006339:Heart Rate; D006439:Hemodynamics; D006801:Humans; D010138:Pacemaker, Artificial; D005082:Physical Exertion