Klintenberg, C. et al. 1996. Primary Radiotherapy of Tl and T2 Glottic Carcinoma: Analysis of treatment results and prognostic factors in 223 patients. Acta Oncologica. 35, Supp 8 (Jan. 1996), 81–86. DOI:https://doi.org/10.3109/02841869609098524.