JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 12, Issue 38,2008, Pages 7582-7586, doi:10.3321/j.issn:1673-8225.2008.38.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 38,2008, Pages 2667-2671, doi:10.3321/j.issn:0376-2491.2008.38.002
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 14, Issue 38,2008, Pages 5823-5826, doi:10.3748/wjg.14.5823
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 38,2008, Pages 2710-2714, doi:10.3321/j.issn:0376-2491.2008.38.012
SHANDONG MEDICAL JOURNAL, Volume 48, Issue 38,2008, Pages 116, doi:10.3969/j.issn.1002-266X.2008.38.074