title: The effect on fertility of ligation of the left spermatic vein in men without clinical signs of varicocele.
mesh_terms: D001706:Biopsy; D002465:Cell Movement; D004822:Epididymis / Q000098:blood supply; D005260:Female; D005298:Fertility; D006801:Humans; D007246:Infertility; D008026:Ligation; D008297:Male; D011247:Pregnancy; D012039:Regional Blood Flow; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis / Q000098:blood supply / Q000473:pathology / Q000601:surgery*; D013997:Time Factors; D014646:Varicocele / Q000601:surgery; D014680:Veins / Q000601:surgery