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DDT - Wikipedia
DDT - A Brief History and Status | US EPA
DDT | Description, History, Effects, Uses, Banned, & Facts ...
DDT - A Brief History and Status | Ingredients Used in ...
What Is DDT? Environmental Impact and Current Uses - Treehugger
DDT Regulatory History: A Brief Survey (to 1975) | About EPA ...
Toxicological Profile for DDT, DDE, and DDD.
EPA History: DDT (dichloro-diphenyl-trichloroethane)
Dichlorodiphenyltrichloroethane (DDT): ubiquity, persistence ...