Deichmann W B, MacDonald W E, Cubit D A
Science. 1971 Apr 16;172(3980):275-6. doi: 10.1126/science.172.3980.275.
The oral administration of aldrin to male and female beagles, whose diet already included a fixed, regular oral dosage of DDT, resulted in a dramatic rise in the concentrations of DDT, DDE, and DDD in blood and fat.