Chinese Journal of Postgraduates of Medicine, Volume 43, Issue 4,2020, Pages 294-297, doi:10.3760/cma.j.cn115455-20190627-00467
Chinese Journal of Postgraduates of Medicine, Volume 43, Issue 4,2020, Pages 382-384, doi:10.3760/cma.j.cn115455-20190710-00503
Chinese Journal of Postgraduates of Medicine, Volume 43, Issue 4,2020, Pages 297-300, doi:10.3760/cma.j.cn115455-20190618-00436
Chinese Journal of Postgraduates of Medicine, Volume 43, Issue 4,2020, Pages 372-375, doi:10.3760/cma.j.cn115455-20191025-00823
Chinese Journal of Postgraduates of Medicine, Volume 43, Issue 4,2020, Pages 375-378, doi:10.3760/cma.j.cn115455-20191108-00897