National Medical Journal of China, Volume 95, Issue 35,2015, Pages 2834-2836, doi:10.3760/cma.j.issn.0376-2491.2015.35.005
National Medical Journal of China, Volume 95, Issue 35,2015, Pages 2880-2881, doi:10.3760/cma.j.issn.0376-2491.2015.35.016
National Medical Journal of China, Volume 95, Issue 35,2015, Pages 2846-2850, doi:10.3760/cma.j.issn.0376-2491.2015.35.008
National Medical Journal of China, Volume 95, Issue 35,2015, Pages 2857-2860, doi:10.3760/cma.j.issn.0376-2491.2015.35.010
National Medical Journal of China, Volume 95, Issue 35,2015, Pages 2865-2867, doi:10.3760/cma.j.issn.0376-2491.2015.35.012