...Lianzhi Wu Biheng Cheng Qian Liu Ping Jiang Jing Yang Jing Yang, Reproductive Medical Center, Renmin Hospital of Wuhan University, No. 99 Zhangzhidong Road, Wuchang District, Wuhan 430060, Hubei Province, China. Tel.: 86 13507182023, Fax: 86 027 88042292, email: j0226 yang 126.com 19 08...