NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 47,2006, Pages 3353-3357, doi:10.3760/j:issn:0376-2491.2006.47.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 47,2006, Pages 3370-3372, doi:10.3760/j:issn:0376-2491.2006.47.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 47,2006, Pages 3328-3330, doi:10.3760/j:issn:0376-2491.2006.47.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 47,2006, Pages 3345-3348, doi:10.3760/j:issn:0376-2491.2006.47.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 47,2006, Pages 3381-3383, doi:10.3760/j:issn:0376-2491.2006.47.019