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 9015-9017, doi:10.3321/j.issn:1673-8225.2008.46.018
SHANDONG MEDICAL JOURNAL, Volume 48, Issue 46,2008, Pages 24, doi:10.3969/j.issn.1002-266X.2008.46.049
JOURNAL OF CLINICAL REHABILITATIVE TISSUE ENGINEERING RESEARCH, Volume 12, Issue 46,2008, Pages 9168-9173, doi:10.3321/j.issn:1673-8225.2008.46.007