NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 14,2008, Pages 961-964, doi:10.3321/j.issn:0376-2491.2008.14.007
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 14,2008, Pages 939-942, doi:10.3321/j.issn:0376-2491.2008.14.002
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 14,2008, Pages 1006-1007, doi:10.3321/j.issn:0376-2491.2008.14.018
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 14,2008, Pages 977-979, doi:10.3321/j.issn:0376-2491.2008.14.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 14,2008, Pages 1002-1005, doi:10.3321/j.issn:0376-2491.2008.14.017