NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 24,2007, Pages 1695-1697, doi:10.3760/j:issn:0376-2491.2007.24.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 24,2007, Pages 1726-1728, doi:10.3760/j:issn:0376-2491.2007.24.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 24,2007, Pages 1666-1668, doi:10.3760/j:issn:0376-2491.2007.24.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 24,2007, Pages 1723-1725, doi:10.3760/j:issn:0376-2491.2007.24.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 24,2007, Pages 1680-1681, doi:10.3760/j:issn:0376-2491.2007.24.023