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CHINESE JOURNAL OF POSTGRADUATES OF MEDICINE, Volume 31, Issue 30,2008, Pages 41-42, doi:10.3760/cma.j.issn.1673-4904.2008.30.016
CHINESE JOURNAL OF POSTGRADUATES OF MEDICINE, Volume 31, Issue 30,2008, Pages 38-40, doi:10.3760/cma.j.issn.1673-4904.2008.30.015
CHINESE JOURNAL OF POSTGRADUATES OF MEDICINE, Volume 31, Issue 30,2008, Pages 52-54, doi:10.3760/cma.j.issn.1673-4904.2008.30.022