NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 14,2007, Pages 967-970, doi:10.3760/j:issn:0376-2491.2007.14.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 14,2007, Pages 978-981, doi:10.3760/j:issn:0376-2491.2007.14.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 14,2007, Pages 1007, doi:10.3760/j:issn:0376-2491.2007.14.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 14,2007, Pages 964-966, doi:10.3760/j:issn:0376-2491.2007.14.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 14,2007, Pages 987-990, doi:10.3760/j:issn:0376-2491.2007.14.014