NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 40,2006, Pages 2880, doi:10.3760/j:issn:0376-2491.2006.40.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 40,2006, Pages 2847-2852, doi:10.3760/j:issn:0376-2491.2006.40.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 40,2006, Pages 2858-2862, doi:10.3760/j:issn:0376-2491.2006.40.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 40,2006, Pages 2877-2879, doi:10.3760/j:issn:0376-2491.2006.40.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 40,2006, Pages 2812-2816, doi:10.3760/j:issn:0376-2491.2006.40.002