8Lee WT, Leung SS, Leung DM,et al. A randomized double-blind controlled calcium supplementation trial, and bone and height acquisition in children. Br J Nutr, 1995,74 : 125-139.
9Lloyd T, Andon MB, Rollings N, et al. Calcium supplementation and bone mineral density in adolescent girls. JAMA, 1993,270:841-844.
10Dibba B, Prentice A, Ceesay M, et al. Effect of calcium supplementation on bone mineral accretion in Gambian children accustomed to a low-calcium diet. Am J Clin Nutr, 2000,71:544-549.
