title: Proposed Guidelines for Future Vitamin D Studies--Reply.
authors.affiliation: Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison.
authors.forename: Karen E
authors.initials: KE
authors.lastname: Hansen
authors.affiliation: Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison.
authors.forename: Michael G
authors.initials: MG
authors.lastname: Johnson
mesh_terms: D002762:Cholecalciferol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D017698:Postmenopause / Q000502:physiology*; D014808:Vitamin D Deficiency
chemical_list: D002762:Cholecalciferol