NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 12,2003, Pages 1089-1092, doi:10.3760/j:issn:0376-2491.2003.12.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 12,2003, Pages 1014-1017, doi:10.3760/j:issn:0376-2491.2003.12.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 12,2003, Pages 1112, doi:10.3760/j:issn:0376-2491.2003.12.035
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 12,2003, Pages 1025-1026, doi:10.3760/j:issn:0376-2491.2003.12.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 12,2003, Pages 1070-1074, doi:10.3760/j:issn:0376-2491.2003.12.018