Chinese Journal of Perinatal Medicine, Volume 25, Issue 2,2022, Pages 122-128, doi:10.3760/cma.j.cn113903-20210518-00463
Chinese Journal of Perinatal Medicine, Volume 25, Issue 2,2022, Pages 129-135, doi:10.3760/cma.j.cn113903-20210622-00569
Chinese Journal of Perinatal Medicine, Volume 25, Issue 2,2022, Pages 154-157, doi:10.3760/cma.j.cn113903-20210812-00700
Chinese Journal of Perinatal Medicine, Volume 25, Issue 2,2022, Pages 136-141, doi:10.3760/cma.j.cn113903-20210715-00636
Chinese Journal of Perinatal Medicine, Volume 25, Issue 2,2022, Pages 91, doi:10.3760/cma.j.issn.1007-9408.2022.02.101