OSTEOPOROSIS AND CALCIUM DEFICIENCY.
D044383:Black People; D002118:Calcium; D002128:Calcium Metabolism Disorders; D002136:Calcium, Dietary; D003677:Deficiency Diseases; D004813:Epidemiology; D005007:Ethnology; D006801:Humans; D010024:Osteoporosis; D012106:Research; D013019:South Africa
D002136:Calcium, Dietary; D002118:Calcium
CALCIUM; CALCIUM METABOLISM DISORDERS; CALCIUM, DIETARY; DEFICIENCY DISEASES; EPIDEMIOLOGY; ETHNOLOGY; NEGROES; OSTEOPOROSIS; RESEARCH; SOUTH AFRICA