NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 21,2003, Pages 1923-1925, doi:10.3760/j:issn:0376-2491.2003.21.025
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 21,2003, Pages 1926-1928, doi:10.3760/j:issn:0376-2491.2003.21.026
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 21,2003, Pages 1852-1855, doi:10.3760/j:issn:0376-2491.2003.21.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 21,2003, Pages 1895-1899, doi:10.3760/j:issn:0376-2491.2003.21.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 83, Issue 21,2003, Pages 1900-1905, doi:10.3760/j:issn:0376-2491.2003.21.016