title: [Extrasystole].
authors.affiliation: Medizinische Universitätsklinik und Poliklinik Bonn.
authors.forename: J
authors.initials: J
authors.lastname: Tebbenjohanns
authors.forename: B
authors.initials: B
authors.lastname: Lüderitz
mesh_terms: D005117:Cardiac Complexes, Premature / Q000209:etiology*; D016757:Death, Sudden, Cardiac / Q000209:etiology / Q000517:prevention & control; D015716:Electrocardiography, Ambulatory; D006801:Humans; D012307:Risk Factors