NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 21,2004, Pages 1823-1824, doi:10.3760/j:issn:0376-2491.2004.21.016
NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 21,2004, Pages 1768-1772, doi:10.3760/j:issn:0376-2491.2004.21.004
NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 21,2004, Pages 1818-1822, doi:10.3760/j:issn:0376-2491.2004.21.015
NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 21,2004, Pages 1788-1790, doi:10.3760/j:issn:0376-2491.2004.21.009
NATIONAL MEDICAL JOURNAL OF CHINA, , Issue 21,2004, Pages 1842-1845, doi:10.3760/j:issn:0376-2491.2004.21.022