title: Human vitamin A deficiency.
mesh_terms: D000328:Adult; D000367:Age Factors; D002338:Carotenoids / Q000378:metabolism; D002648:Child; D002675:Child, Preschool; D004032:Diet; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007239:Infections / Q000150:complications; D007774:Lactation; D008297:Male; D008895:Milk, Human / Q000378:metabolism; D009751:Nutritional Requirements; D010272:Parasitic Diseases / Q000150:complications; D011247:Pregnancy; D011502:Protein-Energy Malnutrition; D012737:Sex Factors; D014801:Vitamin A / Q000494:pharmacology / Q000502:physiology; D014802:Vitamin A Deficiency / Q000209:etiology / Q000628:therapy
chemical_list: D014801:Vitamin A; D002338:Carotenoids