Successful Completion of the Pilot Phase of a Randomized Controlled Trial Comparing Sentinel Lymph Node Biopsy to No Further Axillary Staging in Patients with Clinical T1-T2 N0 Breast Cancer and Normal Axillary Ultrasound. - Cyr AE; Tucker N; Ademuyiwa F; Margenthaler JA; Aft RL; Eberlein TJ; Appleton CM; Zoberi I; Thomas MA; Gao F; Gillanders WE (Journal of the American College of Surgeons, 2016)