title: Nutrition: new guidelines on vitamin D-ficiency--clear or confusing?
authors.forename: Kevin D
authors.initials: KD
authors.lastname: Cashman
authors.forename: Mairead
authors.initials: M
authors.lastname: Kiely
mesh_terms: D005260:Female; D017408:Guidelines as Topic; D006801:Humans; D008297:Male; D015969:National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; D018673:Nutrition Policy; D014481:United States; D014807:Vitamin D / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000097:blood / Q000628:therapy*
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D