title: Letter: Behaviorially conditioned immunosuppression.
mesh_terms: D000818:Animals; D001348:Aversive Therapy; D003216:Conditioning, Operant; D003520:Cyclophosphamide / Q000008:administration & dosage; D005108:Extinction, Psychological; D007165:Immunosuppression Therapy; D007274:Injections, Intraperitoneal; D051381:Rats; D012439:Saccharin / Q000008:administration & dosage
chemical_list: D003520:Cyclophosphamide; D012439:Saccharin