title: [Model for certification in specialty gastroenterology practice according to DIN ISO 900l].
authors.forename: P
authors.initials: P
authors.lastname: Janetschek
mesh_terms: D002568:Certification / Q000331:legislation & jurisprudence*; D005762:Gastroenterology / Q000331:legislation & jurisprudence* / Q000592:standards*; D005858:Germany; D017410:Practice Guidelines as Topic; D011785:Quality Assurance, Health Care; D017749:Total Quality Management