NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 45,2006, Pages 3211-3214, doi:10.3760/j:issn:0376-2491.2006.45.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 45,2006, Pages 3222-3224, doi:10.3760/j:issn:0376-2491.2006.45.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 45,2006, Pages 3234-3237, doi:10.3760/j:issn:0376-2491.2006.45.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 45,2006, Pages 3230-3233, doi:10.3760/j:issn:0376-2491.2006.45.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 45,2006, Pages 3238-3240, doi:10.3760/j:issn:0376-2491.2006.45.021