Sousa, A. C.; Pereira, D. .; Ribeiro, C. .; R. L. Ribeiro, A. .; M. F. Gonçalves, V. .; Pádua, I. .; José Barbosa , D.; Leal, S. . Occurrence of Pyrrolizidine Alkaloids in Portuguese Teas and Herbal Infusions: a Toxicological Assessment Using C. Elegans. SciLet 2026, 1.