1. Cook JC, Klinefelter GR, Hardisty JF, Sharpe RM, Foster PMD. Rodent Leydig cell tumorigenesis: a review of the physiology, pathology, mechanisms, and relevance to humans. Crit Rev Toxicol 1999;29(2):169–261.
2. Iwata H, Hirouchi Y, Koike Y, et al. Historical Control data of non-neoplastic and neoplastic lesions in F-344/DuCrj. J Appl Toxicol 1991;4:1–24.
3. Boorman GA, Chapin RE, Mitsumori K. Testis and Epididymis. In: Boorman G, Eustis S, Montgomery C, Elwell M, Mackenzie W, eds. Pathology of the Fischer rat. Academic Press, San Diego, 1990; pp. 405–418.
4. Cotran RS, Kumar V, Robbins SL, Schoen FJ. Male genital system. In: Cotran RS, Kumar V, Robbins SL, eds. Robbins Pathologic Basis of Disease. 5th edn. W.B. Saunders, Philadelphia, 1994; pp. 1015–1022.
5. Rao M, Reddy J. Interstitial Cell Tumor, testis, rat. In: Jones TC, Mohr U, Hunt RD, eds. Monographs on pathology of labaoratory animals Genital System. Springer-Verlag, Berlin, 1987;184–192.