Chinese Journal of Perinatal Medicine, Volume 25, Issue 1,2022, Pages 42-47, doi:10.3760/cma.j.cn113903-20210820-00712
Chinese Journal of Perinatal Medicine, Volume 25, Issue 1,2022, Pages 59-62, doi:10.3760/cma.j.cn113903-20210623-00577
Chinese Journal of Perinatal Medicine, Volume 25, Issue 1,2022, Pages 25-27, doi:10.3760/cma.j.cn113903-20211201-00993
Chinese Journal of Perinatal Medicine, Volume 25, Issue 1,2022, Pages 18-20, doi:10.3760/cma.j.cn113903-20211203-01001
Chinese Journal of Perinatal Medicine, Volume 25, Issue 1,2022, Pages 35-41, doi:10.3760/cma.j.cn113903-20210430-00403