1. 1. Henson DE and Albores-Saavedra J. Pathology of Incipient Neoplasia. 3rd ed., New York: Oxford University Press, 839, 2001.
2. 2. Mohr U. International Classification of Rodent Tumors. The Mouse. Berlin: Springer, 474, 2001.
3. 3. Maronpot RR. Pathology of The Mouse. Vienna, IL: Cache River Press, 699, 1999.
4. 4. Ward JM, Mahler JF, Maronpot RR, and Sundberg JP. Pathology of Genetically Engineered Mice. Ames, Iowa: Iowa State University Press, 394, 2000.