Structurally modified natural sesquiterpene lactones constitute effective and less toxic schistosomicidal compounds - Sass, Daiane Cristina; Morais, Gustavo Oliveira; Miranda, Ricardo Augusto Crema; Magalhães, Lizandra Guidi; Cunha, Wilson Roberto; Santos, Raquel Alves dos; Arakawa, Nilton Syogo; Costa, Fernando Batista da; Constantino, Maurício Gomes; Heleno, Vladimir Constantino Gomes (Organic & Biomolecular Chemistry, 2014)