National Medical Journal of China, Volume 96, Issue 21,2016, Pages 1643-1647, doi:10.3760/cma.j.issn.0376-2491.2016.21.005
National Medical Journal of China, Volume 96, Issue 21,2016, Pages 1699-1701, doi:10.3760/cma.j.issn.0376-2491.2016.21.018
National Medical Journal of China, Volume 96, Issue 21,2016, Pages 1702-1703, doi:10.3760/cma.j.issn.0376-2491.2016.21.019
National Medical Journal of China, Volume 96, Issue 21,2016, Pages 1664-1667, doi:10.3760/cma.j.issn.0376-2491.2016.21.010
National Medical Journal of China, Volume 96, Issue 21,2016, Pages 1692-1695, doi:10.3760/cma.j.issn.0376-2491.2016.21.016