NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 18,2003, Pages 1603-1606, doi:10.3760/j:issn:0376-2491.2003.18.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 18,2003, Pages 1634-1635, doi:10.3760/j:issn:0376-2491.2003.18.023
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 18,2003, Pages 1576-1579, doi:10.3760/j:issn:0376-2491.2003.18.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 18,2003, Pages 1580-1582, doi:10.3760/j:issn:0376-2491.2003.18.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 18,2003, Pages 1633-1634, doi:10.3760/j:issn:0376-2491.2003.18.022