NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 5,2008, Pages 348-349, doi:10.3321/j.issn:0376-2491.2008.05.016
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NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 5,2008, Pages 314-316, doi:10.3321/j.issn:0376-2491.2008.05.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 5,2008, Pages 289-292, doi:10.3321/j.issn:0376-2491.2008.05.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 5,2008, Pages 360, doi:10.3321/j.issn:0376-2491.2008.05.021