Vidali, C., M. Severgnini, G. Bellio, F. Giudici, V. Milan, Z. Pellin, S. Savatovic, S. Scomersi, G. Fastner, A. Ciabattoni, and M. Bortul. “STATE OF THE ART IN BREAST INTRAOPERATIVE ELECTRON RADIATION THERAPY AFTER INTRAOPERATIVE ULTRASOUND INTRODUCTION ”. Radiology and Oncology, Vol. 55, no. 3, July 2021, pp. 333-40, https://www.radioloncol.com/index.php/ro/article/view/3584.