National Medical Journal of China, Volume 93, Issue 18,2013, Pages 1362,1382,1396,1400,1406,1410,1421,1425,1431,1440,
National Medical Journal of China, Volume 93, Issue 18,2013, Pages 1401-1406, doi:10.3760/cma.j.issn.0376-2491.2013.18.009
National Medical Journal of China, Volume 93, Issue 18,2013, Pages 1383-1387, doi:10.3760/cma.j.issn.0376-2491.2013.18.006
National Medical Journal of China, Volume 93, Issue 18,2013, Pages 1407-1410, doi:10.3760/cma.j.issn.0376-2491.2013.18.010
National Medical Journal of China, Volume 93, Issue 18,2013, Pages 1361-1362, doi:10.3760/cma.j.issn.0376-2491.2013.18.001