title: Testing vitamin D levels.
authors.forename: Adrienne J
authors.initials: AJ
authors.lastname: Lindblad
authors.forename: Scott
authors.initials: S
authors.lastname: Garrison
authors.forename: James
authors.initials: J
authors.lastname: McCormack
mesh_terms: D000328:Adult; D004305:Dose-Response Relationship, Drug; D006801:Humans; D012016:Reference Values; D014807:Vitamin D / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000097:blood / Q000517:prevention & control; D014815:Vitamins / Q000008:administration & dosage
chemical_list: D014815:Vitamins; D014807:Vitamin D; C104450:25-hydroxyvitamin D
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