title: Optimal pacing in first-degree AV block.
authors.forename: S S
authors.initials: SS
authors.lastname: Barold
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology*; D006327:Heart Block / Q000503:physiopathology / Q000628:therapy*; D006801:Humans; D010138:Pacemaker, Artificial