NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 12,2005, Pages 793-795, doi:10.3760/j:issn:0376-2491.2005.12.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 12,2005, Pages 859-861, doi:10.3760/j:issn:0376-2491.2005.12.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 12,2005, Pages 825-830, doi:10.3760/j:issn:0376-2491.2005.12.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 12,2005, Pages 843-844, doi:10.3760/j:issn:0376-2491.2005.12.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 12,2005, Pages 796-797, doi:10.3760/j:issn:0376-2491.2005.12.002