CD44+/CD133+ immunophenotype and matrix metalloproteinase-9: influence on prognosis in early-stage oral squamous cell carcinoma - Oliveira, Lucinei Roberto de; Fernandes, Andrielle de Castilho; Oliveira-Costa, João Paulo; Soares, Fernando Augusto; Zucoloto, Sérgio; Silva, Alfredo Ribeiro da (Head & Neck, 2014)