title: Synergistic toxicity and carcinogenicity of 'freons' and piperonyl butoxide.
mesh_terms: D000818:Animals; D001835:Body Weight; D002273:Carcinogens; D006528:Carcinoma, Hepatocellular / Q000139:chemically induced; D004357:Drug Synergism; D005260:Female; D006219:Halogens / Q000633:toxicity*; D008113:Liver Neoplasms; D008223:Lymphoma / Q000139:chemically induced; D008297:Male; D051379:Mice; D014050:Toluene / Q000633:toxicity*
chemical_list: D002273:Carcinogens; D006219:Halogens; D014050:Toluene