Krengli, M., Policarpo, M., Manfredda, I., Aluffi, P., Gambaro, G., Panella, M., & Pia, F. (2004). Voice quality after treatment for T1a glottic carcinoma Radiotherapy Versus Laser Cordectomy. Acta Oncologica, 43(3), 284–289. https://doi.org/10.1080/02841860410026233