NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 30,2008, Pages 2147-2151, doi:10.3321/j.issn:0376-2491.2008.30.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 30,2008, Pages 2136-2139, doi:10.3321/j.issn:0376-2491.2008.30.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 30,2008, Pages 2127-2130, doi:10.3321/j.issn:0376-2491.2008.30.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 30,2008, Pages 2112-2116, doi:10.3321/j.issn:0376-2491.2008.30.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 30,2008, Pages 2158-2160, doi:10.3321/j.issn:0376-2491.2008.30.019