CHINESE JOURNAL OF CLINICAL REHABILITATION, Volume 10, Issue 38,2006, Pages 76-78, doi:10.3321/j.issn:1673-8225.2006.38.028
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 38,2006, Pages 6128-6132,
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WORLD JOURNAL OF GASTROENTEROLOGY, Volume 12, Issue 38,2006, Pages 6182-6187,