Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 5,2022, Pages 383-385, doi:10.3760/cma.j.cn112141-20210826-00469
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 5,2022, Pages 374-379, doi:10.3760/cma.j.cn112141-20220217-00100
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 5,2022, Pages 389-391, doi:10.3760/cma.j.cn112141-20220427-00275
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 5,2022, Pages 361-369, doi:10.3760/cma.j.cn112141-20220326-00194
Chinese Journal of Obstetrics and Gynecology, Volume 57, Issue 5,2022, Pages 386-388, doi:10.3760/cma.j.cn112141-20211228-00758