title: [Social classifications. 1. Review, concepts and criteria of choice].
mesh_terms: D003718:Denmark; D004522:Educational Status; D006801:Humans; D008954:Models, Biological; D009017:Morbidity; D012923:Social Class; D012937:Social Mobility; D012959:Socioeconomic Factors
vernacular_title: Sociale klassifikationer. I. Oversigt, begreber og valgkriterier.