1Bronner F Intestinal calcium absorption mechanisms and application[J] J Nutr, 1987, 117: 1347
2Johnslon CC Yr, Miller JZ, Slemenda CW, et al Calcium supplementation and increases in bone mineral density in children[J] N Engl J Med, 1992, 327: 82
3Lloyd T, Andon MB, Rollings N, et al Calcium supple_ mentation and bone mineral density in adolescent gils[J] JAMA, 1993, 270: 841
4Sowers MFR, Clark MK, Hollis B, et al Radial bone mi_ neral density in pre- and perimenopausal women: a pr_ ospective study of rates and risk factors for loss[J] J Bone Miner Res, 1992, 7: 647
5Fox KM, Magaziner J, Sherwin R, et al Reproductive correlates of bone mass in elderly women[J] J Bone Mi_ ner Res, 1993, 8: 901
6Specker BL, Vieira NE, Brien KO, et al Calcium kinctics in lactating women with low and high calcium intakes[J] Am J Clin Nutr, 1994, 59: 593
7Dawson- Hughes B, Dallal GE, Krall EA, et al A contro_ lled trial of the effect of calcium supplementation on bo_ ne density in postmenopausal women[J] N Engl J Med, 1990, 323: 378
8Reid IR, Amens RW, Evans MC, et al Effect of calcium supplementation on bone loss in postmenopausal women[J] N Engl J Med, 1993, 328: 460
9Aloia Controlled trial of the effect comparisons of calci_ um supplementation with placebo on bone loss in old women[J] N Engl J Med, 1995, 341: 593
