NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 29,2007, Pages 2081-2083, doi:10.3760/j.issn:0376-2491.2007.29.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 29,2007, Pages 2021-2022, doi:10.3760/j.issn:0376-2491.2007.29.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 29,2007, Pages 2062-2064, doi:10.3760/j.issn:0376-2491.2007.29.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 29,2007, Pages 2033-2035, doi:10.3760/j.issn:0376-2491.2007.29.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 29,2007, Pages 2069-2073, doi:10.3760/j.issn:0376-2491.2007.29.015