title: Serum vitamin-A concentration in healthy white and Bantu adults living under normal conditions on the Witwatersrand.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D044469:Racial Groups; D011830:Radiation Effects; D013472:Sunlight; D014801:Vitamin A / Q000097:blood*
chemical_list: D014801:Vitamin A