Field tests inch toward EPA approval.
D004274:DNA, Recombinant; D004463:Ecology; D035082:Federal Government; D006076:Government; D033161:Government Regulation; D007221:Industry; D011640:Public Policy; D012926:Social Control, Formal; D014484:United States Environmental Protection Agency; D014495:Universities
Biomedical and Behavioral Research; Environmental Protection Agency; Legal Approach; Popular Approach/Source