Antiprotozoan activity of Brazilian marine cnidarian extracts and of a modified steroid from the octocoral Carijoa riisei - Reimão, Juliana Quero; Migotto, Alvaro Esteves; Kossuga, Miriam Harumi; Berlinck, Roberto Gomes de Souza; Tempone, André Gustavo (Parasitology Research, 2008)