NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 30,2007, Pages 2154-2155, doi:10.3760/j.issn:0376-2491.2007.30.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 30,2007, Pages 2136-2139, doi:10.3760/j.issn:0376-2491.2007.30.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 30,2007, Pages 2156-2158, doi:10.3760/j.issn:0376-2491.2007.30.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 30,2007, Pages 2159, doi:10.3760/j.issn:0376-2491.2007.30.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 30,2007, Pages 2105-2108, doi:10.3760/j.issn:0376-2491.2007.30.006