Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 8,2019, Pages 765-768, doi:10.3760/cma.j.issn.1673-4904.2019.08.026
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 8,2019, Pages 678-681, doi:10.3760/cma.j.issn.1673-4904.2019.08.003
Chinese Journal of Postgraduates of Medicine, Volume 42, Issue 8,2019, Pages 706-710, doi:10.3760/cma.j.issn.1673-4904.2019.08.010