National Medical Journal of China, Volume 94, Issue 10,2014, Pages 784-787, doi:10.3760/cma.j.issn.0376-2491.2014.10.017
National Medical Journal of China, Volume 94, Issue 10,2014, Pages 776-779, doi:10.3760/cma.j.issn.0376-2491.2014.10.015
National Medical Journal of China, Volume 94, Issue 10,2014, Pages 763-765, doi:10.3760/cma.j.issn.0376-2491.2014.10.011
National Medical Journal of China, Volume 94, Issue 10,2014, Pages 723,728,741,746,762,796,800,
National Medical Journal of China, Volume 94, Issue 10,2014, Pages 737-741, doi:10.3760/cma.j.issn.0376-2491.2014.10.005