Peñaflor, M. F. G. V. (2009) “Toxicity of Substances Isolated from Simarouba versicolor St. Hil. (Simaroubaceae) to the Leaf-cutting Ant Atta sexdens L. (Hymenoptera: Formicidae) and the Symbiotic Fungus Leucoagaricus gongylophorus (Singer) Möller”, BioAssay, 4. doi: 10.14295/BA.v4.0.24.