NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 15,2006, Pages 1061-1064, doi:10.3760/j:issn:0376-2491.2006.15.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 15,2006, Pages 1011-1013, doi:10.3760/j:issn:0376-2491.2006.15.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 15,2006, Pages 1035-1039, doi:10.3760/j:issn:0376-2491.2006.15.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 15,2006, Pages 1075-1076, doi:10.3760/j:issn:0376-2491.2006.15.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 15,2006, Pages 1057-1060, doi:10.3760/j:issn:0376-2491.2006.15.011