NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 19,2003, Pages 1698-1700, doi:10.3760/j:issn:0376-2491.2003.19.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 19,2003, Pages 1653-1656, doi:10.3760/j:issn:0376-2491.2003.19.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 19,2003, Pages 1723-1724, doi:10.3760/j:issn:0376-2491.2003.19.031
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 19,2003, Pages 1648-1652, doi:10.3760/j:issn:0376-2491.2003.19.006
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 19,2003, Pages 1676-1681, doi:10.3760/j:issn:0376-2491.2003.19.013