NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 28,2006, Pages 1978-1980, doi:10.3760/j:issn:0376-2491.2006.28.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 28,2006, Pages 1962-1965, doi:10.3760/j:issn:0376-2491.2006.28.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 28,2006, Pages 1966-1969, doi:10.3760/j:issn:0376-2491.2006.28.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 28,2006, Pages 2005-2007, doi:10.3760/j:issn:0376-2491.2006.28.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 86, Issue 28,2006, Pages 1993-1996, doi:10.3760/j:issn:0376-2491.2006.28.013