Ohara, K., Tatsuzaki, H., Kurosaki, Y., Fuji, H., Min, M.-., Itai, Y., … Ogata, T. (1999). Metastatic Lymph-node Clearance from Head and Neck Epidermoid Carcinomas Following Radiotherapy. Acta Oncologica, 38(2), 261–266. https://doi.org/10.1080/028418699431708