• 1986. Excretion of radioactivity from rats and rabbits following cutaneous application of two 14C-labeled azo dyes. (cdc.gov)
  • Wistar rats receiving a single injection of 2,2′-dihydroxy-N-nitrosodipropylamine (a tumor initiator) followed by 4,4′-methylenedianiline (MDA) in the diet for 19 weeks, developed thyroid follicular cell carcinomas and follicular cell and papillary adenomas. (cdc.gov)
  • Fischer 344/N rats and B6C3F l mice receiving MDA as 4,4′-methylenedianiline dihydrochloride ad libitum in drinking water for 2 years developed thyroid follicular cell carcinomas and adenomas, C-cell adenomas of the thyroid, hepatocellular carcinomas and adenomas, alveolar bronchiolar adenomas, malignant lymphomas, and benign tumors of the adrenal gland. (cdc.gov)