NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 19,2010, Pages 1362-1365, doi:10.3760/cma.j.issn.0376-2491.2010.19.017
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 19,2010, Pages 1313-1316, doi:10.3760/cma.j.issn.0376-2491.2010.19.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 19,2010, Pages 1309-1312, doi:10.3760/cma.j.issn.0376-2491.2010.19.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 19,2010, Pages 1329-1332, doi:10.3760/cma.j.issn.0376-2491.2010.19.010