CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 10,2008, Pages 876-878, doi:10.3321/j.issn:1004-4477.2008.10.015
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 10,2008, Pages 918, doi:10.3321/j.issn:1004-4477.2008.10.031
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 10,2008, Pages 911-913, doi:10.3321/j.issn:1004-4477.2008.10.024
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 10,2008, Pages 879-882, doi:10.3321/j.issn:1004-4477.2008.10.016
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 10,2008, Pages 898,917, doi:10.3321/j.issn:1004-4477.2008.10.027