4Kolb TM. Ultrasound boosts cancer detection in dense breasts [ J ] Diagn Imaging, 2000,22 ( 11 ) : 103-104,107-111.
5Berg WA,Gutierrez L,NessAiver MS,et al. Diagnostic accuracy of mammography,clinical examination,US,and MR imaging in Preoperative assessment of breast cancer [J]. Radiology, 2004 , 233(10) : 830-849.