NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 23,2008, Pages 1651-1653, doi:10.3321/j.issn:0376-2491.2008.23.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 23,2008, Pages 1603-1606, doi:10.3321/j.issn:0376-2491.2008.23.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 23,2008, Pages 1592-1593, doi:10.3321/j.issn:0376-2491.2008.23.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 23,2008, Pages 1594-1598, doi:10.3321/j.issn:0376-2491.2008.23.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 23,2008, Pages 1630-1633, doi:10.3321/j.issn:0376-2491.2008.23.013