Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 4,2019, Pages 338-344, doi:10.3760/cma.j.issn.1673-4904.2019.04.012
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 4,2019, Pages 352-355, doi:10.3760/cma.j.issn.1673-4904.2019.04.015
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 4,2019, Pages 372-375, doi:10.3760/cma.j.issn.1673-4904.2019.04.020
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 4,2019, Pages 369-372, doi:10.3760/cma.j.issn.1673-4904.2019.04.019