NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 18,2007, Pages 1230-1233, doi:10.3760/j:issn:0376-2491.2007.18.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 18,2007, Pages 1249-1251, doi:10.3760/j:issn:0376-2491.2007.18.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 18,2007, Pages 1241-1244, doi:10.3760/j:issn:0376-2491.2007.18.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 18,2007, Pages 1286, doi:10.3760/j:issn:0376-2491.2007.18.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 87, Issue 18,2007, Pages 1225-1226, doi:10.3760/j:issn:0376-2491.2007.18.001