JOURNAL OF DIGESTIVE SURGERY, Volume 4, Issue 4,2005, Pages 301-302, doi:10.3760/cma.j.issn.1673-9752.2005.04.025
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JOURNAL OF DIGESTIVE SURGERY, Volume 4, Issue 4,2005, Pages 249-249,264, doi:10.3760/cma.j.issn.1673-9752.2005.04.028