JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 41,2007, Pages 8368-8371, doi:10.3321/j.issn:1673-8225.2007.41.048
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 41,2007, Pages 5533-5536,
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 41,2007, Pages 8337-8339, doi:10.3321/j.issn:1673-8225.2007.41.039
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 41,2007, Pages 5465-5470,
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 41,2007, Pages 2941-2945, doi:10.3760/j.issn:0376-2491.2007.41.015