NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 1,2011, Pages 48-50, doi:10.3760/cma.j.issn.0376-2491.2011.01.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 1,2011, Pages 1-2, doi:10.3760/cma.j.issn.0376-2491.2011.01.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 1,2011, Pages 59-61, doi:10.3760/cma.j.issn.0376-2491.2011.01.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 1,2011, Pages 28-32, doi:10.3760/cma.j.issn.0376-2491.2011.01.008