Learn More
The effect of 1000 ppm potassium perchlorate (KClO4), 1000 ppm potassium iodide (KI) or 1000 ppm propylthiouracil (PTU) in the diet on the development of thyroid tumors was studied histologically and(More)
The development of renal tubular cell tumors by the end of experimental week 32 was studied in inbred Wistar male rats fed a diet containing 1,000 or 500 ppm N-ethyl-N-hydroxyethylnitrosamine (EHEN)(More)
The promoting activities of phenobarbital (PB) on the development of gamma-glutamyl-transpeptidase-positive (gamma-GT+) foci in rat liver with three different initiating agents were compared in a(More)