Can the lymph node reactivity pattern in the pN0 neck analysis provide any additional prognostic information in patients with laryngeal squamous cell carcinoma? - Manfro, Gabriel; Cernea, Claudio; Faria, Paulo Antonio Silvestre de; Agarez, Fernando Vaz; Dias, Fernando Luiz; Lima, Roberto Araújo; Brandão, Lenine Garcia (Einstein, 2010)