NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3279-3282, doi:10.3321/j.issn:0376-2491.2008.46.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3268-3271, doi:10.3321/j.issn:0376-2491.2008.46.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3287-3292, doi:10.3321/j.issn:0376-2491.2008.46.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3246-3249, doi:10.3321/j.issn:0376-2491.2008.46.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 46,2008, Pages 3309-3311, doi:10.3321/j.issn:0376-2491.2008.46.019