NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 45,2007, Pages 3169-3170, doi:10.3760/j.issn:0376-2491.2007.45.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 45,2007, Pages 3219-3223, doi:10.3760/j.issn:0376-2491.2007.45.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 45,2007, Pages 3187, doi:10.3760/j.issn:0376-2491.2007.45.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 45,2007, Pages 3188-3191, doi:10.3760/j.issn:0376-2491.2007.45.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 45,2007, Pages 3208-3212, doi:10.3760/j.issn:0376-2491.2007.45.011