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大量流行病学及临床实验调查结果表明 ,钙摄入不足可能是骨质疏松性骨折发生的危险因素〔1〕。适量的钙摄入以达最佳骨峰值 ,对预防骨质疏松性骨折是最有效的〔2〕。因此在儿童及青少年期给予足够的钙对于预防骨质疏松性骨折是有积极意义的〔3 ,4〕。据报道增加低膳钙儿童和青
A large number of epidemiological and clinical trials survey results show that inadequate intake of calcium may be osteoporotic fracture risk factors (1). Appropriate amount of calcium intake in order to achieve the best peak bone, the prevention of osteoporotic fractures is the most effective 〔2〕. Therefore, in children and adolescents to give enough calcium for the prevention of osteoporotic fractures are of positive significance 〔3, 4〕. It has been reported to increase low-calcium children and young children