In vitro activity of the hydroethanolic extract and biflavonoids isolated from Selaginella sellowii on Leishmania (Leishmania) amazonensis oleh Yasmin Silva Rizk, Alice Fischer, Marillin de Castro Cunha, Patrik Oening Rodrigues, Maria Carolina Silva Marques, Maria de Fátima Cepa Matos, Mônica Cristina Toffoli Kadri, Carlos Alexandre Carollo, Carla Cardozo Pinto de Arruda