title: [Hepatitis B in a institution for the mentally retarded].
mesh_terms: D006509:Hepatitis B / Q000453:epidemiology*; D006778:Hospitals, Psychiatric; D006801:Humans; D006920:Hygiene; D008607:Intellectual Disability; D009664:Norway
vernacular_title: Hepatitt B i en institusjon for psykisk utviklingshemmede.