title: The effect of vitamin A supplementation on the urinary hydroxyproline: creatinine index in rural Thai pre-school children.
mesh_terms: D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D003404:Creatinine / Q000652:urine*; D003937:Diagnosis, Differential; D004044:Dietary Proteins; D006128:Growth / Q000187:drug effects*; D006801:Humans; D006909:Hydroxyproline / Q000652:urine*; D007273:Injections, Intramuscular; D009748:Nutrition Disorders / Q000175:diagnosis; D012424:Rural Population; D013268:Stimulation, Chemical; D013785:Thailand; D014801:Vitamin A / Q000494:pharmacology*
chemical_list: D004044:Dietary Proteins; D014801:Vitamin A; D003404:Creatinine; D006909:Hydroxyproline