Kellokumpu-Lehtinen, P., K.-O. Söderström, A. Kortekangas, and E. Nordman. “Radiation-Induced Morphological Changes and Radiocurability in Squamous Cell Carcinoma of the Head and Neck Region: A Preliminary Report”. Acta Oncologica 29, no. 4 (January 1, 1989): 517–520. Accessed May 21, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/32814.