Toxicological Sciences 64, 281-282 (2001)
Copyright © 2001 by the Society of Toxicology
Letter
Laboratory of Environmental Carcinogenesis and Mutagenesis, F1-05 National Institutes of Health National Institute of Environmental Health Sciences P.O. Box 12233 Research Triangle Park, N.C. 27709
To the Editor:
I am writing to you with regard to the paper entitled, "Chromosome 11 Loss from Thymic Lymphomas Induced in Heterozygous Trp53 Mice by Phenolphthalein." This paper was published in Toxicological Sciences 60, 264270. The authors are J. E. Hulla, J. E. French, and J. K. Dunnick. In this paper we stated that, "The allelic patterns indicate that mitotic homologous recombination occurred during embryogenesis if breeding protocols