太极运动对中老年人群骨密度影响的Meta分析
郝建英,谢保城
Effect of Tai Chi on bone mineral density in the middle-aged and older adults: a meta-analysis 
Hao Jianying1, Xie Baocheng2
中国组织工程研究 . 2019, (19): 3109 -3116 .  DOI: 10.3969/j.issn.2095-4344.1259