Barbatic acid from Cladia aggregata (lichen): Cytotoxicity and in vitro schistosomicidal evaluation and ultrastructural analysis against adult worms of Schistosoma mansoni

H.A.M.F. Silva, André de Lima Aires, Caroline Leal Rodrigues Soares, J.L.F. Sá, Mônica Cristina Barroso Martins, Mônica C.P.A. Albuquerque, T.G. Silva, Fábio André Brayner, Luiz Carlos Alves, Ana Maria Mendonça de Albuquerque Melo, N.H. Silva