European Journal of Obstetrics & Gynecology and Reproductive Biology (2013) - Comments
pubmed: 23146315  doi: 10.1016/j.ejogrb.2012.09.024  issn: 1872-7654  issn: 0301-2115 

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Xiangjun Gong, Jiahu Hao, Fangbiao Tao, Jingli Zhang, Hong Wang, Rong Xu