Livi, L., Paiar, F., Simontacchi, G., Barca, R., Detti, B., Fondelli, S., … Biti, G. (2006). Loco regional failure pattern after lumpectomy and breast irradiation in 4185 patients with T1 and T2 breast cancer. Implications for nodal irradiation. Acta Oncologica, 45(5), 564–570. https://doi.org/10.1080/02841860600658211