1. ATWELL J.D.: Ascent of the testis. Fact or fiction. Br. J. Urol., 1985, 57: 474–477.
2. BAIKIE G., HUTSON J.M.: Wolffian duct and epididymal agenesis fails to prevent testicular descent. Pediatr. Surg. Int., 1990, 5: 458–462.
3. BELMAN A.B.: Acquired undescended (ascended) testis: effects of human chorionic gonadotropin. J. Urol., 1988, 140: 1189–1190.
4. BERKOWITZ G.S., LAPINSKI R.H., DOGLIN S.E., GAZELIA J.G., BODIAN C.A., HOLZMAN I.R.: Prevalence and natural history of cryptorchidism. Pediatrics, 1993, 92: 44–49.
5. BUEMANN B., HENRIKSEN H., VILLUMSEN A.L., WESTH A., ZACHAU-CHRISTIANSEN B.: Incidence of undescended testis in the newborn. Acta Chir. Scand., 1961, 283 suppl.: 289–293.