National Medical Journal of China, Volume 95, Issue 23,2015, Pages 1871-1872, doi:10.3760/cma.j.issn.0376-2491.2015.23.021
National Medical Journal of China, Volume 95, Issue 23,2015, Pages 1793-1795, doi:10.3760/cma.j.issn.0376-2491.2015.23.001
National Medical Journal of China, Volume 95, Issue 23,2015, Pages 1811-1814, doi:10.3760/cma.j.issn.0376-2491.2015.23.005
National Medical Journal of China, Volume 95, Issue 23,2015, Pages 1829-1832, doi:10.3760/cma.j.issn.0376-2491.2015.23.009
National Medical Journal of China, Volume 95, Issue 23,2015, Pages 1868-1870, doi:10.3760/cma.j.issn.0376-2491.2015.23.020