title: Retraction Note to: Therapeutic effects of metformin and laparoscopic ovarian drilling in treatment of clomiphene and insulin-resistant polycystic ovary syndrome.
authors.affiliation: Department of Obstetrics and Gynecology, 101st Hospital of PLA, Wuxi, 214044, China.
authors.forename: Xiao-Hong
authors.initials: XH
authors.lastname: Wang
authors.affiliation: Department of Obstetrics and Gynecology, 101st Hospital of PLA, Wuxi, 214044, China.
authors.forename: Jun-Qing
authors.initials: JQ
authors.lastname: Wang
authors.affiliation: Department of Endocrinology, 101st Hospital of PLA, Wuxi, 214044, China.
authors.forename: Yan
authors.initials: Y
authors.lastname: Xu
authors.affiliation: Department of Obstetrics and Gynecology, Nanfang Hospital of Southern Medical University, Guangzhou, 510515, China. lipinghuangcn@126.com.
authors.forename: Li-Ping
authors.initials: LP
authors.lastname: Huang