NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2040-2044, doi:10.3760/j:issn:0376-2491.2003.23.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2036-2039, doi:10.3760/j:issn:0376-2491.2003.23.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2028-2028, doi:10.3760/j:issn:0376-2491.2003.23.027
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2064-2066, doi:10.3760/j:issn:0376-2491.2003.23.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 23,2003, Pages 2029-2032, doi:10.3760/j:issn:0376-2491.2003.23.005