NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 26,2008, Pages 1836, doi:10.3321/j.issn:0376-2491.2008.26.023
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 26,2008, Pages 1820-1823, doi:10.3321/j.issn:0376-2491.2008.26.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 26,2008, Pages 1806-1810, doi:10.3321/j.issn:0376-2491.2008.26.004
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 26,2008, Pages 1801, doi:10.3321/j.issn:0376-2491.2008.26.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 26,2008, Pages 1872, doi:10.3321/j.issn:0376-2491.2008.26.021