National Medical Journal of China, Volume 95, Issue 18,2015, Pages 1430-1431, doi:10.3760/cma.j.issn.0376-2491.2015.18.016
National Medical Journal of China, Volume 95, Issue 18,2015, Pages 1421-1424, doi:10.3760/cma.j.issn.0376-2491.2015.18.014
National Medical Journal of China, Volume 95, Issue 18,2015, Pages 1405-1410, doi:10.3760/cma.j.issn.0376-2491.2015.18.011
National Medical Journal of China, Volume 95, Issue 18,2015, Pages 1364-1368, doi:10.3760/cma.j.issn.0376-2491.2015.18.002
National Medical Journal of China, Volume 95, Issue 18,2015, Pages 1401-1404, doi:10.3760/cma.j.issn.0376-2491.2015.18.010