AhlbergN. E., BartleyO., ChidekelN.: Retrograde contrast filling of the left gonadal vein. A roentgenologic and anatomical study. Acta Radiol. (Diag.), 3; 385 (1965).
2.
AhlbergN. E., BartleyO., ChidekelN., FritjofssonA.: Phlebografy in varicocele scroti. Acta Radiol. (Diag.), 4; 517 (1966).
3.
AhbergN. E., BartleyO., ChidekelN.: Right and left gonadal veins. An anatomical and statistical study. Acta Radiol. (Diag.), 4; 593 (1966).
4.
CampbellF., HarrisonJ. H.: Trattato di urologia.Soc. Ed. Universo, Roma1972.
5.
DubinL., AmelarR. D.: Varicocelectomy as terapy in male infertility: a study of 504 cases. J. Urol., 113; 640 (1975).