NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 5,2010, Pages 332-336, doi:10.3760/cma.j.issn.0376-2491.2010.05.012
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 5,2010, Pages 295-297, doi:10.3760/cma.j.issn.0376-2491.2010.05.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 5,2010, Pages 355-357, doi:10.3760/cma.j.issn.0376-2491.2010.05.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 5,2010, Pages 291-294, doi:10.3760/cma.j.issn.0376-2491.2010.05.002