Fitzpatrick, Julie W., Adriana Cheavegatti-Gianotto, Jesus Aparecido Ferro, Maria Fatima Grossi-de-Sa, Paul Keese, Raymond Layton, Denis Lima, et al. “Problem Formulation in Environmental Risk Assessment of Genetically Modified Crops: A Brazilian Workshop”. BioAssay 4 (August 17, 2009). Accessed April 28, 2024. https://www.bioassay.org.br/index.php/bioassay/article/view/65.