SHANDONG MEDICAL JOURNAL, Volume 48, Issue 46,2008, Pages 62-63, doi:10.3969/j.issn.1002-266X.2008.46.028
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 12, Issue 46,2008, Pages 9028-9031, doi:10.3321/j.issn:1673-8225.2008.46.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3279-3282, doi:10.3321/j.issn:0376-2491.2008.46.012
SHANDONG MEDICAL JOURNAL, Volume 48, Issue 46,2008, Pages 27, doi:10.3969/j.issn.1002-266X.2008.46.085