Immunoprofile of papillary and non papillary types of the polymorphous low-grade adenocarcinoma of minor salivary gland - Araújo, Vera Cavalcanti de; Loyola, A M; Sousa, Suzana Cantanhede Orsini Machado de; Araújo, Ney Soares de (Annual Meeting of American Academy of Oral and Maxillofacial Pathology, 1996)