NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 11,2003, Pages 952-957, doi:10.3760/j:issn:0376-2491.2003.11.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 11,2003, Pages 992-995, doi:10.3760/j:issn:0376-2491.2003.11.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 11,2003, Pages 932-935, doi:10.3760/j:issn:0376-2491.2003.11.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 11,2003, Pages 991, doi:10.3760/j:issn:0376-2491.2003.11.029
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 11,2003, Pages 936-939, doi:10.3760/j:issn:0376-2491.2003.11.010