NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 14,2011, Pages 996-999, doi:10.3760/cma.j.issn.0376-2491.2011.14.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 14,2011, Pages 984-986, doi:10.3760/cma.j.issn.0376-2491.2011.14.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 14,2011, Pages 965-968, doi:10.3760/cma.j.issn.0376-2491.2011.14.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 14,2011, Pages 977-979, doi:10.3760/cma.j.issn.0376-2491.2011.14.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 14,2011, Pages 940-945, doi:10.3760/cma.j.issn.0376-2491.2011.14.002