title: Problems in the process of formulating an RDI.
authors.affiliation: Nutrition Unit, WHO Regional Office for Europe, Copenhagen, Denmark.
authors.forename: E
authors.initials: E
authors.lastname: Helsing
mesh_terms: D002149:Energy Intake; D006801:Humans; D008903:Minerals; D009751:Nutritional Requirements; D012016:Reference Values; D009626:Terminology as Topic; D014815:Vitamins; D014944:World Health Organization
chemical_list: D008903:Minerals; D014815:Vitamins