Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 7,2019, Pages 603-607, doi:10.3760/cma.j.issn.1673-4904.2019.07.008
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 7,2019, Pages 642-645, doi:10.3760/cma.j.issn.1673-4904.2019.07.017
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 7,2019, Pages 649-653, doi:10.3760/cma.j.issn.1673-4904.2019.07.019
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 7,2019, Pages 666-669, doi:10.3760/cma.j.issn.1673-4904.2019.07.023