Intracytoplasmic sperm injection versus conventional in-vitro fertilisation for couples with infertility with non-severe male factor: a multicentre, open-label, randomised controlled trial

Yuan‐Yuan Wang, Rong Li, Rui Yang, Danni Zheng, Lin Zeng, Ying Lian, Yimin Zhu, Junli Zhao, Xiaoyan Liang, Wen Li, Jianqiao Liu, Li Tang, Yunxia Cao, Guimin Hao, Hui‐Chun Wang, Hua Zhang, Rui Wang, Ben W. Mol, Hefeng Huang, Jie Qiao