title: Increasing requests for vitamin D measurement: costly, confusing, and without credibility.
authors.affiliation: Division of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow G12 8TA, UK. naveed.sattar@glasgow.ac.uk
authors.forename: Naveed
authors.initials: N
authors.lastname: Sattar
authors.forename: Paul
authors.initials: P
authors.lastname: Welsh
authors.forename: Maurizio
authors.initials: M
authors.lastname: Panarelli
authors.forename: Nita G
authors.initials: NG
authors.lastname: Forouhi
mesh_terms: D004739:England / Q000453:epidemiology; D006801:Humans; D008875:Middle Aged; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000097:blood; D014808:Vitamin D Deficiency / Q000175:diagnosis* / Q000453:epidemiology
chemical_list: D014807:Vitamin D; C104450:25-hydroxyvitamin D