title: [The unity of internal medicine must be preserved and cultivated].
authors.forename: G
authors.initials: G
authors.lastname: Ertl
mesh_terms: D035843:Biomedical Research / Q000639:trends; D005544:Forecasting; D005858:Germany; D006801:Humans; D007388:Internal Medicine / Q000639:trends*; D010506:Periodicals as Topic / Q000639:trends*; D012955:Societies, Medical / Q000639:trends*