title: The use and abuse of vitamin A.
mesh_terms: D000328:Adult; D001361:Avitaminosis / Q000188:drug therapy; D002338:Carotenoids / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006986:Hypervitaminosis A; D007223:Infant; D007231:Infant, Newborn; D009751:Nutritional Requirements; D011247:Pregnancy; D012651:Self Medication; D012871:Skin Diseases / Q000188:drug therapy; D019966:Substance-Related Disorders; D014801:Vitamin A / Q000009:adverse effects*
chemical_list: D014801:Vitamin A; D002338:Carotenoids