JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 39,2007, Pages 7970-7973, doi:10.3321/j.issn:1673-8225.2007.39.072
WORLD JOURNAL OF GASTROENTEROLOGY, Volume 13, Issue 39,2007, Pages 5253-5260,
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 39,2007, Pages 2759-2763, doi:10.3760/j.issn:0376-2491.2007.39.007
CHINA MARKET, , Issue 39,2007, Pages 58-59, doi:10.3969/j.issn.1005-6432.2007.39.028
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 11, Issue 39,2007, Pages 7736-7738, doi:10.3321/j.issn:1673-8225.2007.39.005