NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 23,2004, Pages 1973-1976, doi:10.3760/j:issn:0376-2491.2004.23.012
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 23,2004, Pages 2018-2019, doi:10.3760/j:issn:0376-2491.2004.23.024
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 23,2004, Pages 2011-2014, doi:10.3760/j:issn:0376-2491.2004.23.022
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 23,2004, Pages 1965-1967, doi:10.3760/j:issn:0376-2491.2004.23.010
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 84, Issue 23,2004, Pages 1941-1943, doi:10.3760/j:issn:0376-2491.2004.23.003