Chinese Journal of Perinatal Medicine, Volume 24, Issue 12,2021, Pages 898-902, doi:10.3760/cma.j.cn113903-20201113-01105
Chinese Journal of Perinatal Medicine, Volume 24, Issue 12,2021, Pages 891-897, doi:10.3760/cma.j.cn113903-20210615-00540
Chinese Journal of Perinatal Medicine, Volume 24, Issue 12,2021, Pages 938, doi:10.3760/cma.j.issn.1007-9408.2021.12.102
Chinese Journal of Perinatal Medicine, Volume 24, Issue 12,2021, Pages 949-955, doi:10.3760/cma.j.cn113903-20201223-01266
Chinese Journal of Perinatal Medicine, Volume 24, Issue 12,2021, Pages 956, doi:10.3760/cma.j.cn113903-20211122-00968