NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 9,2008, Pages 625-629, doi:10.3321/j.issn:0376-2491.2008.09.014
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 9,2008, Pages 615-618, doi:10.3321/j.issn:0376-2491.2008.09.011
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 9,2008, Pages 641-644, doi:10.3321/j.issn:0376-2491.2008.09.017
NATIONAL MEDICAL JOURNAL OF CHINA, Volume 88, Issue 9,2008, Pages 582,601,605,614,618,621,634,640,