NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 24,2009, Pages 1686, doi:10.3760/cma.j.issn.0376-2491.2009.24.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 24,2009, Pages 1711-1713, doi:10.3760/cma.j.issn.0376-2491.2009.24.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 24,2009, Pages 1657-1658, doi:10.3760/cma.j.issn.0376-2491.2009.24.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 24,2009, Pages 1671, doi:10.3760/cma.j.issn.0376-2491.2009.24.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 24,2009, Pages 1698-1701, doi:10.3760/cma.j.issn.0376-2491.2009.24.015