NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 33,2011, Pages 2323,2328,2332,2339,2369,2374,
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 33,2011, Pages 2319-2323, doi:10.3760/cma.j.issn.0376-2491.2011.33.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 91, Issue 33,2011, Pages 2375-2376, doi:10.3760/cma.j.issn.0376-2491.2011.33.017