National Medical Journal of China, Volume 94, Issue 48,2014, Pages 3848-3853, doi:10.3760/cma.j.issn.0376-2491.2014.48.015
National Medical Journal of China, Volume 94, Issue 48,2014, Pages 3868-3870, doi:10.3760/cma.j.issn.0376-2491.2014.48.020
National Medical Journal of China, Volume 94, Issue 48,2014, Pages 3809-3812, doi:10.3760/cma.j.issn.0376-2491.2014.48.005
National Medical Journal of China, Volume 94, Issue 48,2014, Pages 3836-3838, doi:10.3760/cma.j.issn.0376-2491.2014.48.011
National Medical Journal of China, Volume 94, Issue 48,2014, Pages 3796-3800, doi:10.3760/cma.j.issn.0376-2491.2014.48.002