NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 2,2011, Pages 73-75, doi:10.3760/cma.j.issn.0376-2491.2011.02.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 2,2011, Pages 103-106, doi:10.3760/cma.j.issn.0376-2491.2011.02.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 2,2011, Pages 76-80, doi:10.3760/cma.j.issn.0376-2491.2011.02.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 2,2011, Pages 81-85, doi:10.3760/cma.j.issn.0376-2491.2011.02.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 2,2011, Pages 138-141, doi:10.3760/cma.j.issn.0376-2491.2011.02.019