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来源：雅诚德英语网
Data regarding the association between low bone mass and fracture risk are limited for children with chronic illness.
关于慢性病儿童低骨量和其骨折危险度相关性的数据仍很有限。
Data regarding the association between low bone mass and fracture risk are limited for children with chronic illness.
关于慢性病儿童低骨量和其骨折危险度相关性的数据仍很有限。