National Medical Journal of China, Volume 93, Issue 27,2013, Pages 2131-2134, doi:10.3760/cma.j.issn.0376-2491.2013.27.010
National Medical Journal of China, Volume 93, Issue 27,2013, Pages 2174-2175, doi:10.3760/cma.j.issn.0376-2491.2013.27.023
National Medical Journal of China, Volume 93, Issue 27,2013, Pages 2122-2125, doi:10.3760/cma.j.issn.0376-2491.2013.27.008
National Medical Journal of China, Volume 93, Issue 27,2013, Pages 2097-2099, doi:10.3760/cma.j.issn.0376-2491.2013.27.001
National Medical Journal of China, Volume 93, Issue 27,2013, Pages 2143-2145, doi:10.3760/cma.j.issn.0376-2491.2013.27.013