National Medical Journal of China, Volume 95, Issue 19,2015, Pages 1453-1456, doi:10.3760/cma.j.issn.0376-2491.2015.19.004
National Medical Journal of China, Volume 95, Issue 19,2015, Pages 1463-1467, doi:10.3760/cma.j.issn.0376-2491.2015.19.006
National Medical Journal of China, Volume 95, Issue 19,2015, Pages 1540-1543, doi:10.3760/cma.j.issn.0376-2491.2015.19.025
National Medical Journal of China, Volume 95, Issue 19,2015, Pages 1544-1546, doi:10.3760/cma.j.issn.0376-2491.2015.19.026
National Medical Journal of China, Volume 95, Issue 19,2015, Pages 1522-1525, doi:10.3760/cma.j.issn.0376-2491.2015.19.020