1. Altman PL: (ed.): Pathology of Laboratory Mice and Rats. Elmsford, NY, Pergamon Press, 246, 1985.
2. Andervont HB, Shimkin MB and Canter HY: Susceptibility of seven inbred strains and the F1 hybrids to estrogen- induced testicular tumors and occurrence of spontaneous testicular tumors in strain BALB/c mice. J Natl Cancer Inst 25:1069, 1960.
3. Appleby EC: Tumours in captive wild animals: some observations and comparisons. Acta Zool Path Antverpiensia 48:77, 1969.
4. Bacon RL and Kirkman H: The response of the testis of the hamster to chronic treatment with different estrogens. Endocrinol 57:255, 1955.
5. Benitz K-F and Kramer AW Jr: Spontaneous tumors in the Mongolian gerbil. Lab Anim Care 15:281–294, 1965.