title: Combined effect of levamisole and organophosphorus compounds on calves.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D004357:Drug Synergism; D004359:Drug Therapy, Combination; D007978:Levamisole / Q000008:administration & dosage / Q000633:toxicity*; D009943:Organophosphorus Compounds / Q000008:administration & dosage / Q000633:toxicity*
chemical_list: D009943:Organophosphorus Compounds; D007978:Levamisole