CHINESE JOURNAL OF GASTROINTESTINAL SURGERY, Volume 14, Issue 4,2011, Pages 304-307, doi:10.3760/cma.j.issn.1671-0274.2011.04.026
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CHINESE JOURNAL OF GASTROINTESTINAL SURGERY, Volume 14, Issue 4,2011, Pages 233,241,244,248,260,287,295,299,
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