The DDT question.
Watterson
A
A
D000818:Animals; D002417:Cattle; D003634:DDT / Q000009:adverse effects*; D004351:Drug Resistance; D004787:Environmental Pollution / Q000191:economics*; D006801:Humans; D008288:Malaria / Q000517:prevention & control; D018570:Risk Assessment
D003634:DDT