Ting Guo1, Chenchen Feng2. 1. Shanghai Red House Obstetrics and Gynecology Hospital, Shanghai, China. 2. Huashan Hospital, Shanghai, China drfengchenchen@163.com.
Authors: Vikram Narayan; Andreas Kahlmeyer; Philipp Dahm; Nicole Skoetz; Michael C Risk; Connie Bongiorno; Neil Patel; Eu Chang Hwang; Jae Hung Jung; Gerald Gartlehner; Frank Kunath Journal: Cochrane Database Syst Rev Date: 2018-07-23