JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 42,2007, Pages 8421-8425, doi:10.3321/j.issn:1673-8225.2007.42.015
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 42,2007, Pages 5594-5597,
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 42,2007, Pages 8506-8509, doi:10.3321/j.issn:1673-8225.2007.42.024
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 42,2007, Pages 8461-8464, doi:10.3321/j.issn:1673-8225.2007.42.005
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 42,2007, Pages 5577-5580,