NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 3,2007, Pages 145-149, doi:10.3760/j:issn:0376-2491.2007.03.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 3,2007, Pages 190-194, doi:10.3760/j:issn:0376-2491.2007.03.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 3,2007, Pages 161-164, doi:10.3760/j:issn:0376-2491.2007.03.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 3,2007, Pages 170-173, doi:10.3760/j:issn:0376-2491.2007.03.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 3,2007, Pages 179-183, doi:10.3760/j:issn:0376-2491.2007.03.008