title: [Guidelines and expert consensus in the ZfG].
authors: Thomas
authors: T
authors: Seufferlein
mesh_terms: D032921:Consensus; D035081:Editorial Policies; D005104:Expert Testimony; D005762:Gastroenterology / Q000592:standards*; D005858:Germany; D017408:Guidelines as Topic; D010506:Periodicals as Topic; D011643:Publishing / Q000458:organization & administration*