The necessity,timing and dose of luteinizing hormone added in superovulation programHE Fang-fang741-745
The application of pituitary down-regulation in controlled ovarian hyperstimulationCAO Yun-xia, XU Qian-hua745-748
Definition,diagnosis and countermeasures of luteal function and luteal defectsAI Ji-hui, ZHU Gui-jin748-750
Causes and countermeasures of recurrent implantation failure in assisted reproductiveLU Guang-xiu750-755
Quality control and construction of assisted reproductive technology laboratoryHUANG Guo-ning, LIU Dong-yun, HAN Wei755-758
