title: Vitamin D deficiency rickets in developing countries.
authors.affiliation: Department of Paediatrics, Faculty of Medicine, University of Khartoum, Sudan.
authors.forename: Z A
authors.initials: ZA
authors.lastname: Karrar
mesh_terms: D003906:Developing Countries / Q000706:statistics & numerical data; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012279:Rickets / Q000453:epidemiology* / Q000209:etiology; D014808:Vitamin D Deficiency / Q000188:drug therapy / Q000453:epidemiology*