NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 42,2008, Pages 3022-3023, doi:10.3321/j.issn:0376-2491.2008.42.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 42,2008, Pages 2953-2954, doi:10.3321/j.issn:0376-2491.2008.42.001
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 42,2008, Pages 3003-3007, doi:10.3321/j.issn:0376-2491.2008.42.013
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 42,2008, Pages 3008-3011, doi:10.3321/j.issn:0376-2491.2008.42.014