The appearance of two cases of cirrhosis of the liver among three men working in the research laboratory of a large industrial undertaking led to suspicion becoming attached to dimethylnitrosamine (D.M.N.) as the causative agent. Dimethylnitrosamine had been introduced into the laboratory as a solvent about 10 months before the first case of cirrhosis was discovered. One of the men had died of ...

According to world statistics, dogs and cats are the species that owners most frequently seek assistance with potential poisonings, accounting 95-98% of all reported animal cases. Exposures occur more commonly in the summer and in December that is associated with the holiday season. The majority (>90%) of animal poisonings are accidental and acute in nature and occur near or at the animal owner...

Dieldrin is a technical product containing 85% of H.E.O.D., the approved name for 1,2,3,4,10,10,hexachloro-exo-6,7-epoxy1,4,4a ,5,6,7,8,8a-octahydro-exo -1,4, endo -5,8,dimethanonaphthalene. The remaining 15% of the technical product consists of active isomeric compounds. Dieldrin is a powerful insecticide that has been extensively used in agriculture, food storage, and public health work. Wher...