NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 18,2004, Pages 1497-1498, doi:10.3760/j:issn:0376-2491.2004.18.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 18,2004, Pages 1581-1583, doi:10.3760/j:issn:0376-2491.2004.18.023
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 18,2004, Pages 1553, doi:10.3760/j:issn:0376-2491.2004.18.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 18,2004, Pages 1513-1517, doi:10.3760/j:issn:0376-2491.2004.18.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 18,2004, Pages 1572-1574, doi:10.3760/j:issn:0376-2491.2004.18.020