1. Bloom W, Fawcett DW (1975) Male reproductive system. In: A textbook of histology, 10th edn. Saunders, Philadelphia, pp 805–856
2. Courrier R (1966) Experimental interstitial cell tumors of testicle. Actual Endocrinol (Paris) 7:11–12
3. Furtado-Dias T (1951) Sur une lignée de souris cancéreuses (adenocarcinome mammaire) présentant des lésions testiculaires. C R Soc Biol (Paris) 145: 1733–1735
4. Huseby RA (1976) Estrogen-induced Leydig cell tumor in the mouse: a model system for the study of carcinogenesis and hormone dependency. J Toxicol Environ Health 1:177–192
5. Ito A, Moy P, Kaunitz H, Kortwright K, Clarke S, Furth J, Meites J (1972) Incidence and character of the spontaneous pituitary tumors in strain CR and W/Fu male rats. JNCI 49: 701–711