Prognostic significance of beta-2 adrenergic receptor in oral squamous cell carcinoma - Bravo-Calderón, Diego Mauricio; Oliveira, Denise Tostes; Marana, Aparecido Nilceu; Nonogaki, Suely; Carvalho, André Lopes; Kowalski, Luiz Paulo (Cancer Biomarkers, 2012)