NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 14,2003, Pages 1259-1261, doi:10.3760/j:issn:0376-2491.2003.14.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 14,2003, Pages 1218, doi:10.3760/j:issn:0376-2491.2003.14.023
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 14,2003, Pages 1209, doi:10.3760/j:issn:0376-2491.2003.14.026
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 14,2003, Pages 1201-1205, doi:10.3760/j:issn:0376-2491.2003.14.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 14,2003, Pages 1266-1269, doi:10.3760/j:issn:0376-2491.2003.14.016