NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 14,2004, Pages 1191-1193, doi:10.3760/j:issn:0376-2491.2004.14.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 14,2004, Pages 1224, doi:10.3760/j:issn:0376-2491.2004.14.027
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 14,2004, Pages 1216-1217, doi:10.3760/j:issn:0376-2491.2004.14.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 14,2004, Pages 1217-1218, doi:10.3760/j:issn:0376-2491.2004.14.020
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 14,2004, Pages 1228-1230, doi:10.3760/j:issn:0376-2491.2004.14.024