NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 43,2007, Pages 3028-3029, doi:10.3760/j.issn:0376-2491.2007.43.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 43,2007, Pages 3056-3059, doi:10.3760/j.issn:0376-2491.2007.43.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 43,2007, Pages 3030-3034, doi:10.3760/j.issn:0376-2491.2007.43.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 43,2007, Pages 3025-3027, doi:10.3760/j.issn:0376-2491.2007.43.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 43,2007, Pages 3069-3073, doi:10.3760/j.issn:0376-2491.2007.43.012