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- Insecticides9
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- Insect pests4
- Pests--Control4
- Advertising2
- Advertising, Industrial2
- Chemical industry2
- Corporations2
- Insecticides--Toxicology2
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- Birds1
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- Dow Chemical Company1
- Hercules Incorporated1
- Home economics1
- Household pests1
- Insect pests--Control1