title: Obligatory external quality control: a mandatory demand in device therapy.
authors.forename: Jens Cosedis
authors.initials: JC
authors.lastname: Nielsen
mesh_terms: D000367:Age Factors; D054537:Atrioventricular Block / Q000628:therapy*; D005260:Female; D019983:Guideline Adherence; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000706:statistics & numerical data*; D011786:Quality Control; D012727:Sex Characteristics; D012804:Sick Sinus Syndrome / Q000628:therapy*; D012959:Socioeconomic Factors