NATIONAL MEDICAL JOURNAL OF CHINE, Volume 81, Issue 2,2001, Pages 69-70, doi:10.3760/j:issn:0376-2491.2001.02.003
NATIONAL MEDICAL JOURNAL OF CHINE, Volume 81, Issue 2,2001, Pages 102-104, doi:10.3760/j:issn:0376-2491.2001.02.012
NATIONAL MEDICAL JOURNAL OF CHINE, Volume 81, Issue 2,2001, Pages 113, doi:10.3760/j:issn:0376-2491.2001.02.035
NATIONAL MEDICAL JOURNAL OF CHINE, Volume 81, Issue 2,2001, Pages 78-81, doi:10.3760/j:issn:0376-2491.2001.02.006
NATIONAL MEDICAL JOURNAL OF CHINE, Volume 81, Issue 2,2001, Pages 121-122, doi:10.3760/j:issn:0376-2491.2001.02.022