Anti-Helicobacter pylori activity and immunostimulatory effect of extracts from Byrsonima crassa Nied. (Malpighiaceae) - Bonacorsi, Cibele; Raddi, Maria Stella G.; Carlos, Iracilda Zeppone; Sannomiya, Míriam; Vilegas, Wagner (BMC Complementary and Alternative Medicine, 2009)