Antimicrobial activity of Piper arboreum and Piper tuberculatum (Piperaceae) against opportunistic yeasts - Regasini, Luis Octávio; Cotinguiba, Fernando; Morandim, Andreia de Araújo; Kato, Massuo Jorge; Scorzoni, Liliana; Mendes-Giannini, Maria José Soares; Bolzani, Vanderlan da Silva; Furlan, Maysa (African Journal of Biotechnology, 2009)