title: Changes in vitamin A and C levels in black mine-workers.
mesh_terms: D001741:Black or African American; D001205:Ascorbic Acid / Q000097:blood*; D001206:Ascorbic Acid Deficiency / Q000453:epidemiology; D044383:Black People; D001902:Botswana / Q000208:ethnology; D002338:Carotenoids / Q000097:blood; D004032:Diet; D006801:Humans; D008906:Mining; D009073:Mozambique / Q000208:ethnology; D009787:Occupational Medicine; D012709:Serum Albumin / Q000032:analysis; D013019:South Africa; D013997:Time Factors; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000453:epidemiology
chemical_list: D012709:Serum Albumin; D014801:Vitamin A; D002338:Carotenoids; D001205:Ascorbic Acid