title: Proposed Guidelines for Future Vitamin D Studies.
authors.affiliation: Division of Rheumatology, Department of Internal Medicine, Uludag University, Bursa, Turkey.
authors.forename: Ayse Nur
authors.initials: AN
authors.lastname: Tufan
authors.affiliation: Division of Geriatrics, Department of Internal Medicine, Istanbul University, Istanbul, Turkey.
authors.forename: Fatih
authors.initials: F
authors.lastname: Tufan
mesh_terms: D002762:Cholecalciferol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D017698:Postmenopause / Q000502:physiology*; D014808:Vitamin D Deficiency
chemical_list: D002762:Cholecalciferol