Epidemiological and clinical factors impact on the benefit of riluzole in the survival rates of patients with ALS - Fávero, Francis Meire; Voos, Mariana Callil; Castro, Isac de; Caromano, Fátima Aparecida; Oliveira, Acary Souza Bulle (Arquivos de Neuro-Psiquiatria, 2017)