CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 1,2005, Pages 59-62, doi:10.3760/j.issn:1004-4477.2005.01.016
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 1,2005, Pages 14-16, doi:10.3760/j.issn:1004-4477.2005.01.003
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 1,2005, Pages 73, doi:10.3760/j.issn:1004-4477.2005.01.033
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 1,2005, Pages 66, doi:10.3760/j.issn:1004-4477.2005.01.032
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 1,2005, Pages 36-38, doi:10.3760/j.issn:1004-4477.2005.01.009