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FOREIGN MEDICAL SCIENCES, Volume 21, Issue 12,2002, Pages 573-574, doi:10.3760/cma.j.issn.1673-4351.2002.12.020
FOREIGN MEDICAL SCIENCES, Volume 21, Issue 12,2002, Pages 574, doi:10.3760/cma.j.issn.1673-4351.2002.12.021
FOREIGN MEDICAL SCIENCES, Volume 21, Issue 12,2002, Pages 549-552, doi:10.3760/cma.j.issn.1673-4351.2002.12.009