1. The descent of the testis;Scorer;Arch Dis Child,1964
2. Prevalence and natural history of cryptorchidism;Berkowitz;Pediatrics,1993
3. Incidence of undescended testis in the newborn;Buemann;Acta Chir Scand,1961
4. Congenital Deformities of the Testis and Epididymis;Scorer,1971
5. Testicular descent: when to interfere?;Hamza;Eur J Pediatr Surg,2001