title: Superweed study falters as seed firms deny access to transgene.
authors.forename: Rex
authors.initials: R
authors.lastname: Dalton
authors.forename: San
authors.initials: S
authors.lastname: Diego
mesh_terms: D000383:Agriculture / Q000331:legislation & jurisprudence / Q000592:standards; D001413:Bacillus thuringiensis / Q000235:genetics; D001709:Biotechnology / Q000331:legislation & jurisprudence / Q000592:standards*; D005069:Evaluation Studies as Topic; D005798:Genes, Bacterial / Q000235:genetics; D006368:Helianthus / Q000235:genetics*; D030821:Plants, Genetically Modified / Q000235:genetics*; D012639:Seeds / Q000235:genetics*; D019076:Transgenes; D014481:United States