NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 48,2007, Pages 3443-3444, doi:10.3760/j.issn:0376-2491.2007.48.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 48,2007, Pages 3385-3388, doi:10.3760/j.issn:0376-2491.2007.48.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 48,2007, Pages 3446, doi:10.3760/j.issn:0376-2491.2007.48.023
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 48,2007, Pages 3411-3414, doi:10.3760/j.issn:0376-2491.2007.48.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 48,2007, Pages 3421-3424, doi:10.3760/j.issn:0376-2491.2007.48.009