SHANDONG MEDICAL JOURNAL, Volume 49, Issue 45,2009, Pages 58-59, doi:10.3969/j.issn.1002-266X.2009.45.026
SHANDONG MEDICAL JOURNAL, Volume 49, Issue 45,2009, Pages 62-63, doi:10.3969/j.issn.1002-266X.2009.45.028
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 13, Issue 45,2009, Pages 8861-8864, doi:10.3969/j.issn.1673-8225.2009.45.011
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 15, Issue 45,2009, Pages 5758-5760,
SHANDONG MEDICAL JOURNAL, Volume 49, Issue 45,2009, Pages 53-54, doi:10.3969/j.issn.1002-266X.2009.45.023