National Medical Journal of China, Volume 99, Issue 46,2019, Pages 3678-3680, doi:10.3760/cma.j.issn.0376-2491.2019.46.019
National Medical Journal of China, Volume 99, Issue 46,2019, Pages 3622-3626, doi:10.3760/cma.j.issn.0376-2491.2019.46.006
National Medical Journal of China, Volume 99, Issue 46,2019, Pages 3657-3660, doi:10.3760/cma.j.issn.0376-2491.2019.46.012
National Medical Journal of China, Volume 99, Issue 46,2019, Pages 3667-3668, doi:10.3760/cma.j.issn.0376-2491.2019.46.015
National Medical Journal of China, Volume 99, Issue 46,2019, Pages 3645-3651, doi:10.3760/cma.j.issn.0376-2491.2019.46.010