JOURNAL OF DIGESTIVE SURGERY, Volume 3, Issue 5,2004, Pages 338-342, doi:10.3760/cma.j.issn.1673-9752.2004.05.012
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JOURNAL OF DIGESTIVE SURGERY, Volume 3, Issue 5,2004, Pages 308-312, doi:10.3760/cma.j.issn.1673-9752.2004.05.002
JOURNAL OF DIGESTIVE SURGERY, Volume 3, Issue 5,2004, Pages 350-354, doi:10.3760/cma.j.issn.1673-9752.2004.05.015