CHINESE MEDICAL JOURNAL, Volume 124, Issue 15,2011, Pages 2372-2377, doi:10.3760/cma.j.issn.0366-6999.2011.15.022
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CHINESE MEDICAL JOURNAL, Volume 124, Issue 15,2011, Pages 2392-2395, doi:10.3760/cma.j.issn.0366-6999.2011.15.026
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