title: [Various electrocardiographic forms of Wenckebach periodicity].
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology*; D004562:Electrocardiography; D006327:Heart Block / Q000145:classification / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans
vernacular_title: Rózne formy elektrokardiograficzne periodyki Wenckebacha.