NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 5,2001, Pages 314-320, doi:10.3760/j:issn:0376-2491.2001.05.027
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 5,2001, Pages 301-302, doi:10.3760/j:issn:0376-2491.2001.05.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 5,2001, Pages 310-313, doi:10.3760/j:issn:0376-2491.2001.05.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 5,2001, Pages 257-258, doi:10.3760/j:issn:0376-2491.2001.05.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 81, Issue 5,2001, Pages 292-293, doi:10.3760/j:issn:0376-2491.2001.05.011