The increased PDGF-A, PDGF-B and FGF-2 expression in recurrence of salivary gland pleomorphic adenoma - Soares, A. B; Demasi, A. P; Tincani, A. J; Martins, A. S; Altemani, A; Cavalcanti, Vera de Araújo (Journal of Clinical Pathology, 2012)