Experimental carcinogenesis: comment on methodlogy and interpretation of results.
D000818:Animals; D002273:Carcinogens / Q000008:administration & dosage; D004353:Drug Evaluation, Preclinical; D007279:Injections, Subcutaneous; D009374:Neoplasms, Experimental / Q000139:chemically induced*; D051381:Rats; D012107:Research Design; D012513:Sarcoma, Experimental / Q000139:chemically induced; D013634:Tannins / Q000633:toxicity; D013662:Tea / Q000633:toxicity
D002273:Carcinogens; D013634:Tannins; D013662:Tea