National Medical Journal of China, Volume 98, Issue 46,2018, Pages 3773-3777, doi:10.3760/cma.j.issn.0376-2491.2018.46.010
National Medical Journal of China, Volume 98, Issue 46,2018, Pages 3789-3791, doi:10.3760/cma.j.issn.0376-2491.2018.46.013
National Medical Journal of China, Volume 98, Issue 46,2018, Pages 3795-3798, doi:10.3760/cma.j.issn.0376-2491.2018.46.015
National Medical Journal of China, Volume 98, Issue 46,2018, Pages 3729-3731, doi:10.3760/cma.j.issn.0376-2491.2018.46.001
National Medical Journal of China, Volume 98, Issue 46,2018, Pages 3778-3783, doi:10.3760/cma.j.issn.0376-2491.2018.46.011