title: Varicocele subfertility and venous pressure in the left internal spermatic vein.
mesh_terms: D006801:Humans; D007248:Infertility, Male / Q000209:etiology / Q000503:physiopathology*; D008297:Male; D013737:Testis / Q000098:blood supply*; D014646:Varicocele / Q000150:complications* / Q000503:physiopathology*; D014680:Veins; D014690:Venous Pressure