title: Use of vitamin and mineral supplements by urban school children: prevalence and justification.
mesh_terms: D002648:Child; D002664:Child Nutritional Physiological Phenomena; D004032:Diet; D005260:Female; D006801:Humans; D008297:Male; D008903:Minerals; D011792:Quebec; D014505:Urban Population; D014815:Vitamins
chemical_list: D008903:Minerals; D014815:Vitamins