Venography in the subfertile man with varicocele.
D006801:Humans; D007248:Infertility, Male / Q000209:etiology*; D008297:Male; D010690:Phlebography; D013737:Testis / Q000098:blood supply; D014646:Varicocele / Q000150:complications / Q000000981:diagnostic imaging* / Q000601:surgery