NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 33,2008, Pages 2355-2359, doi:10.3321/j.issn:0376-2491.2008.33.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 33,2008, Pages 2369-2371, doi:10.3321/j.issn:0376-2491.2008.33.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 33,2008, Pages 2350-2354, doi:10.3321/j.issn:0376-2491.2008.33.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 33,2008, Pages 2364-2368, doi:10.3321/j.issn:0376-2491.2008.33.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 33,2008, Pages 2326-2330, doi:10.3321/j.issn:0376-2491.2008.33.007