CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 2,2006, Pages 159-160, doi:10.3760/j.issn:1004-4477.2006.02.025
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 2,2006, Pages 154-155, doi:10.3760/j.issn:1004-4477.2006.02.022
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 2,2006, Pages 142-145, doi:10.3760/j.issn:1004-4477.2006.02.018
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 2,2006, Pages 99-102, doi:10.3760/j.issn:1004-4477.2006.02.006
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 2,2006, Pages 156-157, doi:10.3760/j.issn:1004-4477.2006.02.023