title: A conspectus of research on vitamin A requirements of man.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000818:Animals; D002338:Carotenoids; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D002675:Child, Preschool; D003623:Dark Adaptation; D004044:Dietary Proteins; D005260:Female; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D007774:Lactation; D008297:Male; D009755:Night Blindness / Q000517:prevention & control; D009751:Nutritional Requirements; D011247:Pregnancy; D013312:Stress, Physiological; D014801:Vitamin A / Q000009:adverse effects / Q000378:metabolism
chemical_list: D004044:Dietary Proteins; D014801:Vitamin A; D002338:Carotenoids