NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 12,2004, Pages 979-981, doi:10.3760/j:issn:0376-2491.2004.12.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 12,2004, Pages 1038-1040, doi:10.3760/j:issn:0376-2491.2004.12.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 12,2004, Pages 1011-1013, doi:10.3760/j:issn:0376-2491.2004.12.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 12,2004, Pages 1024-1028, doi:10.3760/j:issn:0376-2491.2004.12.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 12,2004, Pages 997-999, doi:10.3760/j:issn:0376-2491.2004.12.008