CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 9,2006, Pages 705-708, doi:10.3760/j.issn:1004-4477.2006.09.017
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 9,2006, Pages 701-704, doi:10.3760/j.issn:1004-4477.2006.09.016
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 9,2006, Pages 698-700, doi:10.3760/j.issn:1004-4477.2006.09.015
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 9,2006, Pages 712-714, doi:10.3760/j.issn:1004-4477.2006.09.019
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 15, Issue 9,2006, Pages 681-684, doi:10.3760/j.issn:1004-4477.2006.09.011