NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 22,2008, Pages 1578-1580, doi:10.3321/j.issn:0376-2491.2008.22.019
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 22,2008, Pages 1569-1571, doi:10.3321/j.issn:0376-2491.2008.22.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 22,2008, Pages 1528-1532, doi:10.3321/j.issn:0376-2491.2008.22.005
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 22,2008, Pages 1516-1517, doi:10.3321/j.issn:0376-2491.2008.22.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 22,2008, Pages 1540-1542, doi:10.3321/j.issn:0376-2491.2008.22.008