NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 24,2008, Pages 1726-1727, doi:10.3321/j.issn:0376-2491.2008.24.021
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 24,2008, Pages 1707-1710, doi:10.3321/j.issn:0376-2491.2008.24.015
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 24,2008, Pages 1679-1682, doi:10.3321/j.issn:0376-2491.2008.24.008
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 24,2008, Pages 1676-1678, doi:10.3321/j.issn:0376-2491.2008.24.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 24,2008, Pages 1670-1672, doi:10.3321/j.issn:0376-2491.2008.24.005