title: Vitamin A and calcium in mine compound diets.
mesh_terms: D001741:Black or African American; D044383:Black People; D002118:Calcium / Q000097:blood*; D002136:Calcium, Dietary; D003124:Colorimetry; D003623:Dark Adaptation; D004032:Diet; D006046:Gold; D006801:Humans; D008906:Mining; D009749:Nutrition Surveys; D009787:Occupational Medicine; D013019:South Africa; D013056:Spectrophotometry, Ultraviolet; D014801:Vitamin A / Q000097:blood*
chemical_list: D002136:Calcium, Dietary; D014801:Vitamin A; D006046:Gold; D002118:Calcium