Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 4,2022, Pages 265-270, doi:10.3760/cma.j.cn112141-20210830-00475
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 4,2022, Pages 244-252, doi:10.3760/cma.j.cn112141-20210830-00476
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 4,2022, Pages 311-315, doi:10.3760/cma.j.cn112141-20211114-00665
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 4,2022, Pages 293-300, doi:10.3760/cma.j.cn112141-20220128-00057
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 4,2022, Pages 259-264, doi:10.3760/cma.j.cn112141-20210915-00521