SHANDONG MEDICAL JOURNAL, Volume 49, Issue 46,2009, Pages 93-93, doi:10.3969/j.issn.1002-266X.2009.46.046
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 15, Issue 46,2009, Pages 5843-5850, doi:10.3748.wjg.15.5843
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 15, Issue 46,2009, Pages 5838-5842, doi:10.3748.wjg.15.5838
SHANDONG MEDICAL JOURNAL, Volume 49, Issue 46,2009, Pages 61, doi:10.3969/j.issn.1002-266X.2009.46.081
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 13, Issue 46,2009, Pages 9061-9065, doi:10.3969/j.issn.1673-8225.2009.46.012