National Medical Journal of China, Volume 94, Issue 24,2014, Pages 1886-1888, doi:10.3760/cma.j.issn.0376-2491.2014.24.012
National Medical Journal of China, Volume 94, Issue 24,2014, Pages 1909-1911, doi:10.3760/cma.j.issn.0376-2491.2014.24.017
National Medical Journal of China, Volume 94, Issue 24,2014, Pages 1894-1898, doi:10.3760/cma.j.issn.0376-2491.2014.24.014
National Medical Journal of China, Volume 94, Issue 24,2014, Pages 1874-1877, doi:10.3760/cma.j.issn.0376-2491.2014.24.008
National Medical Journal of China, Volume 94, Issue 24,2014, Pages 1899-1904, doi:10.3760/cma.j.issn.0376-2491.2014.24.015