Ovarian stimulation in IVF couples with severe male factor infertility: GnRH antagonist versus long GnRH agonist - Mu Lv; Juanjuan Yu; Peiqin Chen; Qimeng Xiao; Liqun Lou; Yifan Luo; Mu Yuan; Yuan Xu; Youji Feng; Mingzhu Bai; Zhenbo Zhang; Linxia Li (Frontiers in Endocrinology, 2022)