title: [Undercoding more common than overcoding].
authors.affiliation: Barneklinikken, Rikshospitalet, 0027 Oslo. t.w.r.hansen@medisin.uio.no
authors.forename: Thor Willy Ruud
authors.initials: TW
authors.lastname: Hansen
mesh_terms: D003953:Diagnosis-Related Groups / Q000191:economics / Q000592:standards*; D006801:Humans