NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 40,2005, Pages 2809-2811, doi:10.3760/j:issn:0376-2491.2005.40.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 40,2005, Pages 2814, doi:10.3760/j:issn:0376-2491.2005.40.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 40,2005, Pages 2880, doi:10.3760/j:issn:0376-2491.2005.40.024
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 40,2005, Pages 2854-2856, doi:10.3760/j:issn:0376-2491.2005.40.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 85, Issue 40,2005, Pages 2818-2820, doi:10.3760/j:issn:0376-2491.2005.40.004