NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 19,2007, Pages 1355-1357, doi:10.3760/j:issn:0376-2491.2007.19.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 19,2007, Pages 1348-1350, doi:10.3760/j:issn:0376-2491.2007.19.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 19,2007, Pages 1342-1344, doi:10.3760/j:issn:0376-2491.2007.19.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 19,2007, Pages 1364,1368, doi:10.3760/j:issn:0376-2491.2007.19.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 19,2007, Pages 1351-1354, doi:10.3760/j:issn:0376-2491.2007.19.016