1. Chieffi G, Chieffi-Baccari G, Di Matteo L, d'Istria M, Marmorino C, Minucci S, Varriale B (1991) Hormonal control of the Haderian gland of Rana esculenta. Belgian J Zool 121:130?132
2. Christensen F, Dam H (1953) A sexual dimorphism of the Harderian gland in hamsters. Acta Physiol Scand 27:333?336
3. Di Matteo L, Minucci S, Chieffi-Baccari G, Pellicciari C, d'Istria M, Chieffi G (1989) The Harderian gland of the frog, Rana esculenta, during the annual cycle: histology, histochemistry and ultrastructure. Bas Appl Histochem 33:93?112
4. d'Istria M, Delrio G, Botte V, Chieffi G (1974) Radioimmunoassay of testosterone, 17? estradiol and estrone in the male and female plasma of Rana esculenta during sexual cycle. Ster Lip Res 5:42?48
5. d'Istria M, Chieffi-Baccari G, Di Matteo L, Minucci S, Varriale B, Chieffi G (1991) Androgen receptor in the Harderian gland of Rana esculenta. J Endocrinol 129:227?232