title: [The public health portal for physicians--a double cost for the state?].
authors.forename: Poul
authors.initials: P
authors.lastname: Thirup
authors.forename: Birgit
authors.initials: B
authors.lastname: Lange
mesh_terms: D003365:Costs and Cost Analysis; D019992:Databases as Topic / Q000191:economics; D003718:Denmark; D004346:Drug Information Services / Q000191:economics; D006801:Humans; D007255:Information Services / Q000191:economics*; D020407:Internet; D007993:Libraries, Medical / Q000191:economics*; D010820:Physicians