NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 22,2003, Pages 1962-1967, doi:10.3760/j:issn:0376-2491.2003.22.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 22,2003, Pages 2007-2008, doi:10.3760/j:issn:0376-2491.2003.22.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 22,2003, Pages 1999-2000, doi:10.3760/j:issn:0376-2491.2003.22.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 22,2003, Pages 1943-1945, doi:10.3760/j:issn:0376-2491.2003.22.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 22,2003, Pages 2002-2004, doi:10.3760/j:issn:0376-2491.2003.22.019