TY - JOUR AU - Sever, A R; Mills, P; Jones, S E TI - Preoperative sentinel node identification with ultrasound using microbubbles in patients with breast cancer JO - Am J Roentgenol VL - 196 PY - 2011 DO - 10.2214/AJR.10.4865 L3 - PubMed-ID: 21257873 SP - 251 EP - 256 N1 - et al. ER -