References
- Nistal M, Paniagua R, Diez-Pardo J. Histologic classification of undescended testes. Hum Pathol 1980; 11: 666 74
- Gondos B, Wong T-W. Non-neoplastic diseases of the testis and epididymis. In: Murphy W, editor. Urological Pathology. 2nd ed. Philadelphia: WB Saunders, 1997; 277 341.
- Hadziselimovic F, Herzog B, Seguchi H. Surgical correction of cryptorchidism at 2 years: electron microscopic and morphometric investigations. J Pediatr Surg 1975; 10: 19 26.
- Paniagua R, Nistal M, Bravo M. Leydig cell types in primary testicular disorders. Hum Pathol 1984; 15: 181 90.
- Paniagua R, Amat P, Nistal M, et al. Ultrastructure of Leydig cells in human ageing testes. J Anat 1986; 146: 173 83.