Chemical characterization and evaluation of gastric antiulcer properties of the hydroethanolic extract of the stem bark of Virola elongata (Benth.) Warb - Almeida, G VB; Arunachalam, K; Balogun, S O; Pavan, E; Ascêncio, S D; Soares, I M; Zanatta, A C; Vilegas, W; Macho, A; Oliveira Martins, D T (J Ethnopharmacol, 2019)