title: Comment on: Vitamin D deficiency.
authors.affiliation: Envirosafe Training and Consultants, Pittsburgh, Pennsylvania, United States.
authors.forename: John H
authors.initials: JH
authors.lastname: Lange
authors.affiliation: London School of Hygiene and Tropical Medicine, Department of Infectious Disease Epidemiology, London, United Kingdom. Jhlange1@hotmail.com.
authors.forename: Luca
authors.initials: L
authors.lastname: Cegolon
mesh_terms: D006801:Humans; D014807:Vitamin D; D014808:Vitamin D Deficiency
chemical_list: D014807:Vitamin D