CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 12,2007, Pages 1081, doi:10.3760/j.issn:1004-4477.2007.12.031
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 12,2007, Pages 1021-1025, doi:10.3760/j.issn:1004-4477.2007.12.003
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 12,2007, Pages 1034-1037, doi:10.3760/j.issn:1004-4477.2007.12.006
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 12,2007, Pages 1060, doi:10.3760/j.issn:1004-4477.2007.12.028
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 16, Issue 12,2007, Pages 1074-1077, doi:10.3760/j.issn:1004-4477.2007.12.017