title: Long term effect of vasectomy on pituitary-gonadal axis.
mesh_terms: D000328:Adult; D004967:Estrogens / Q000097:blood*; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D008875:Middle Aged; D013739:Testosterone / Q000097:blood*; D013997:Time Factors; D014659:Vasectomy
chemical_list: D004967:Estrogens; D013739:Testosterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone