NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 2,2007, Pages 124-127, doi:10.3760/j:issn:0376-2491.2007.02.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 2,2007, Pages 93-95, doi:10.3760/j:issn:0376-2491.2007.02.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 2,2007, Pages 73-75, doi:10.3760/j:issn:0376-2491.2007.02.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 2,2007, Pages 90-92, doi:10.3760/j:issn:0376-2491.2007.02.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 2,2007, Pages 109-113, doi:10.3760/j:issn:0376-2491.2007.02.010