NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1857-1859, doi:10.3760/j:issn:0376-2491.2006.26.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1849, doi:10.3760/j:issn:0376-2491.2006.26.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1872, doi:10.3760/j:issn:0376-2491.2006.26.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1808-1812, doi:10.3760/j:issn:0376-2491.2006.26.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 26,2006, Pages 1804-1807, doi:10.3760/j:issn:0376-2491.2006.26.002