title: Plasma vitamin 'A' and carotene levels in Karachi population.
mesh_terms: D000367:Age Factors; D002338:Carotenoids / Q000097:blood*; D004032:Diet; D005260:Female; D006801:Humans; D008297:Male; D010154:Pakistan; D012737:Sex Factors; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000453:epidemiology*
chemical_list: D014801:Vitamin A; D002338:Carotenoids