Involvement of mast cells and microvessels density in reactive lesions of oral cavity: a comparative immunohistochemical study - Ferreira, Stephany Vasco; Xavier, Flavia Caló de Aquino; Freitas, Maria da Conceição Andrade de; Nunes, Fábio Daumas; Gurgel, Clarissa Araújo; Cangussu, Maria Cristina Teixeira; Martins, Manoela Domingues; Freitas, Valéria Souza; Santos, Jean Nunes dos (Pathology - Research and Practice, 2016)