title: [The central population registry in medical research].
authors.forename: Harald
authors.initials: H
authors.lastname: Hammer
mesh_terms: D003710:Demography; D006801:Humans; D009664:Norway / Q000453:epidemiology; D011159:Population Surveillance; D040442:Public Health Informatics; D012042:Registries; D012106:Research / Q000331:legislation & jurisprudence; D014798:Vital Statistics