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Pesticides
Iowa unit adopts regulations on sale, use of pesticides.
Iowans' egg sales halted; pesticide eaten by hens.
Pesticides: Minor role in pollution?
Researchers report drug cuts DDT residue in body.
Develop synthetic sex lure in effort to curb Gypsy Moth.
One-sided pollution presentation.
Who controls chemical use?
Chemical Study Board orders Iowa limits on DDT.
Pheasants for Veterans Hospital off -- pesticides.
Legislature asks for action on Iowa pesticide control.
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