Minimal risk of macrometastases in the non-sentinel axillary lymph nodes in breast cancer patients with micrometastatic sentinel lymph nodes and preoperatively ultrasonically uninvolved axillary lymph nodes. - Zgajnar,J.; Besic,N.; Podkrajsek,M.; Hertl,K.; Frkovic-Grazio,S.; Hocevar,M. (Eur J Cancer, 2005)