Oncological results of surgical treatment versus organ-function preservation in larynx and hypopharynx câncer - Calvas, Oscar Israel Jaramillo; Ramos, Daniel Marin; Matos, Leandro Luongo; Kulcsar, Marco Aurélio Vamondes; Dedivitis, Rogério Aparecido; Brandão, Lenine Garcia; Cernea, Claudio Roberto (Revista da associacao medica brasileira, 2017)