COMPARISON BETWEEN SUBDERMAL AND SUBAREOLAR INJECTION OF RADIOACTIVE TRACER FOR SENTINEL NODE DISSECTION IN BREAST CANCER PATIENTS. Issue 1 (1st March 2003) - Ponzone, R.; Franziska, K.; Marenco, D.; Biglia, N.; Elia, O.; Sgro, L.; Cacciari, F.; Sismondi, P.