title: [Sino-atrial block].
authors.affiliation: Third Department of Internal Medicine, Nagasaki University School of Medicine.
authors.forename: C
authors.initials: C
authors.lastname: Ueyama
authors.forename: K
authors.initials: K
authors.lastname: Tsukahara
authors.forename: K
authors.initials: K
authors.lastname: Yano
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography; D006801:Humans; D012848:Sinoatrial Block / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology