NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 21,2002, Pages 1497, doi:10.3760/j:issn:0376-2491.2002.21.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 21,2002, Pages 1457-1460, doi:10.3760/j:issn:0376-2491.2002.21.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 21,2002, Pages 1441-1442, doi:10.3760/j:issn:0376-2491.2002.21.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 21,2002, Pages 1461-1463, doi:10.3760/j:issn:0376-2491.2002.21.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 82, Issue 21,2002, Pages 1508-1509, doi:10.3760/j:issn:0376-2491.2002.21.021