CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 5,2008, Pages 393, doi:10.3321/j.issn:1004-4477.2008.05.030
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 5,2008, Pages 456-457, doi:10.3321/j.issn:1004-4477.2008.05.027
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 5,2008, Pages 369-373, doi:10.3321/j.issn:1004-4477.2008.05.001
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 5,2008, Pages 446-448, doi:10.3321/j.issn:1004-4477.2008.05.021
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 17, Issue 5,2008, Pages 430-433, doi:10.3321/j.issn:1004-4477.2008.05.017