CampbellM.: Clinical Pediatric Urology.W. B. Saunders, Philadelphia1951.
2.
CampbellM.: Undescended testicles and hypospadias. Amer. J. Surg., 82; 8–17 (1951).
3.
DonohueR. E., UtleyW. L. F., MalingT. H.: Intravenous pyelography in asymptomatic cryptorchid males. Proc. Urol. Soc. Australasia, Twenty-fifth annual general Meeting. Surfers Paradise 1972.
4.
DonohueR. E., UtleyW. L. F., MalingT. H.: Excretory urography in asimptomatic boys with cryptorchidism. J. Urol., 109; 912–916 (1973).
5.
FarringtonG. H., KerrI. H.: Abnormalities of the upper urinary tract in cryptorchidism. Brit. J. Urol., 41; 77 (1969).
6.
GrossmanH., RirieD. G.: The incidence of urinary tract anomalies in cryptorchid boys. Amer. J. Roentgenol., 103; 210 213 (1968).
7.
LenovskiE. F.: A consideration of the incidence of common major congenital malformations in a Winnipeg nursery, one year study. Manitoba Med. Rev., 42; 462 (1962).
8.
FeltonLester M.: Should intravenous pyelography be a routine procedure for children with cryptorchism or hypospadias? J. Urol., 81; 335 (1959).