Teppo, H., Koivunen, P., Sipilä, S., Jokinen, K., Hyrynkangas, K., Läärä, E., … Alho, O.-P. (2001). Decreasing Incidence and Improved Survival of Laryngeal Cancer in Finland. Acta Oncologica, 40(7), 791–795. https://doi.org/10.1080/02841860152703391