NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 28,2007, Pages 2011-2013, doi:10.3760/j:issn:0376-2491.2007.28.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 28,2007, Pages 2003-2006, doi:10.3760/j:issn:0376-2491.2007.28.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 28,2007, Pages 2007-2010, doi:10.3760/j:issn:0376-2491.2007.28.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 28,2007, Pages 1978-1980, doi:10.3760/j:issn:0376-2491.2007.28.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 28,2007, Pages 1999, doi:10.3760/j:issn:0376-2491.2007.28.026