CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 11,2005, Pages 870-871, doi:10.3760/j.issn:1004-4477.2005.11.021
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 11,2005, Pages 854-857, doi:10.3760/cma.j.issn.1004-4477.2005.11.015
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 11,2005, Pages 873-874, doi:10.3760/j.issn:1004-4477.2005.11.023
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 11,2005, Pages 874-875, doi:10.3760/j.issn:1004-4477.2005.11.024
CHINESE JOURNAL OF ULTRASONOGRAPHY, Volume 14, Issue 11,2005, Pages 846, doi:10.3760/j.issn:1004-4477.2005.11.031