CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 11,2007, Pages 996,999, doi:10.3760/j.issn:1004-4477.2007.11.038
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 11,2007, Pages 997-999, doi:10.3760/j.issn:1004-4477.2007.11.021
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 11,2007, Pages 958, doi:10.3760/j.issn:1004-4477.2007.11.034
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 11,2007, Pages 993-996, doi:10.3760/j.issn:1004-4477.2007.11.020
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 11,2007, Pages 1008-1009, doi:10.3760/j.issn:1004-4477.2007.11.025