NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 29,2008, Pages 2049-2052, doi:10.3321/j.issn:0376-2491.2008.29.009
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 29,2008, Pages 2081-2083, doi:10.3321/j.issn:0376-2491.2008.29.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 29,2008, Pages 2077-2080, doi:10.3321/j.issn:0376-2491.2008.29.016
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 29,2008, Pages 2023-2024, doi:10.3321/j.issn:0376-2491.2008.29.003
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 29,2008, Pages 2084-2087, doi:10.3321/j.issn:0376-2491.2008.29.018