title: US regulation misses some GM crops.
authors: Heidi
authors: H
authors: Ledford
mesh_terms: D018556:Crops, Agricultural / Q000235:genetics; D030841:Food, Genetically Modified; D033161:Government Regulation; D027845:Malus / Q000235:genetics; D030821:Plants, Genetically Modified / Q000235:genetics; D014481:United States