NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 36,2008, Pages 2529-2532, doi:10.3321/j.issn:0376-2491.2008.36.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 36,2008, Pages 2578-2580, doi:10.3321/j.issn:0376-2491.2008.36.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 36,2008, Pages 2541-2543, doi:10.3321/j.issn:0376-2491.2008.36.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 36,2008, Pages 2592, doi:10.3321/j.issn:0376-2491.2008.36.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 36,2008, Pages 2553-2555, doi:10.3321/j.issn:0376-2491.2008.36.010