NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 45,2008, Pages 3230-3231, doi:10.3321/j.issn:0376-2491.2008.45.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 45,2008, Pages 3177-3181, doi:10.3321/j.issn:0376-2491.2008.45.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 45,2008, Pages 3197-3199, doi:10.3321/j.issn:0376-2491.2008.45.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 45,2008, Pages 3192-3194, doi:10.3321/j.issn:0376-2491.2008.45.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 45,2008, Pages 3210-3216, doi:10.3321/j.issn:0376-2491.2008.45.011