National Medical Journal of China, Volume 95, Issue 3,2015, Pages 214-216, doi:10.3760/cma.j.issn.0376-2491.2015.03.014
National Medical Journal of China, Volume 95, Issue 3,2015, Pages 200-204, doi:10.3760/cma.j.issn.0376-2491.2015.03.011
National Medical Journal of China, Volume 95, Issue 3,2015, Pages 172-175, doi:10.3760/cma.j.issn.0376-2491.2015.03.005
National Medical Journal of China, Volume 95, Issue 3,2015, Pages 161, doi:10.3760/cma.j.issn.0376-2491.2015.03.001
National Medical Journal of China, Volume 95, Issue 3,2015, Pages 226-230, doi:10.3760/cma.j.issn.0376-2491.2015.03.017