[Yu, Yun-Feng; Qin, Li-Na; Yu, Rong; Yu, R] Hunan Univ Chinese Med, Dept Endocrinol, Hosp 1, Changsha, Hunan, Peoples R China.
[Ma, Lie] Henan Univ Chinese Med, Dept Reprod Med, Affiliated Hosp 3, Zhengzhou, Henan, Peoples R China.
[Yu, Rong; Yu, R] Hunan Univ Chinese Med, Coll Chinese Med, Changsha, Hunan, Peoples R China.
[Yu, Rong; Yu, R] Hunan Univ Chinese Med, 300 Xueshi Rd, Changsha 410208, Hunan, Peoples R China.