CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 6,2007, Pages 530-534, doi:10.3760/j.issn:1004-4477.2007.06.019
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 6,2007, Pages 548-549, doi:10.3760/j.issn:1004-4477.2007.06.025
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 6,2007, Pages 487-490, doi:10.3760/j.issn:1004-4477.2007.06.007
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 6,2007, Pages 466-469, doi:10.3760/j.issn:1004-4477.2007.06.002
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 6,2007, Pages 486, doi:10.3760/j.issn:1004-4477.2007.06.031