NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 42,2009, Pages 3022-3023, doi:10.3760/cma.j.issn.0376-2491.2009.42.021
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 42,2009, Pages 2980-2982, doi:10.3760/cma.j.issn.0376-2491.2009.42.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 42,2009, Pages 3010-3011, doi:10.3760/cma.j.issn.0376-2491.2009.42.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 89, Issue 42,2009, Pages 2968-2971, doi:10.3760/cma.j.issn.0376-2491.2009.42.006