National Medical Journal of China, Volume 93, Issue 31,2013, Pages 2459-2462, doi:10.3760/cma.j.issn.0376-2491.2013.31.005
National Medical Journal of China, Volume 93, Issue 31,2013, Pages 2478-2482, doi:10.3760/cma.j.issn.0376-2491.2013.31.010
National Medical Journal of China, Volume 93, Issue 31,2013, Pages 2499-2501, doi:10.3760/cma.j.issn.0376-2491.2013.31.017
National Medical Journal of China, Volume 93, Issue 31,2013, Pages 2527-2528, doi:10.3760/cma.j.issn.0376-2491.2013.31.026
National Medical Journal of China, Volume 93, Issue 31,2013, Pages 2463-2466, doi:10.3760/cma.j.issn.0376-2491.2013.31.006