NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 45,2010, Pages 3214-3216, doi:10.3760/cma.j.issn.0376-2491.2010.45.013
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 45,2010, Pages 3184-3187, doi:10.3760/cma.j.issn.0376-2491.2010.45.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 45,2010, Pages 3217-3219, doi:10.3760/cma.j.issn.0376-2491.2010.45.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 90, Issue 45,2010, Pages 3231-3234, doi:10.3760/cma.j.issn.0376-2491.2010.45.017