NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 48,2006, Pages 3438-3440, doi:10.3760/j:issn:0376-2491.2006.48.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 48,2006, Pages 3453,
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 48,2006, Pages 3454, doi:10.3760/j:issn:0376-2491.2006.48.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 48,2006, Pages 3431-3434, doi:10.3760/j:issn:0376-2491.2006.48.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 48,2006, Pages 3435-3437, doi:10.3760/j:issn:0376-2491.2006.48.012