NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 2,2006, Pages 88-92, doi:10.3760/j:issn:0376-2491.2006.02.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 2,2006, Pages 106-110, doi:10.3760/j:issn:0376-2491.2006.02.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 2,2006, Pages 82-87, doi:10.3760/j:issn:0376-2491.2006.02.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 2,2006, Pages 133-135, doi:10.3760/j:issn:0376-2491.2006.02.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 2,2006, Pages 141-142, doi:10.3760/j:issn:0376-2491.2006.02.020