title: Investigation and treatment of the subfertile male.
mesh_terms: D000428:Alcohol Drinking; D000728:Androgens / Q000627:therapeutic use; D001706:Biopsy; D002452:Cell Count; D003020:Clothing / Q000009:adverse effects; D013196:Dihydrotestosterone / Q000627:therapeutic use; D005474:Fluoxymesterone / Q000627:therapeutic use; D006062:Gonadotropins / Q000652:urine; D006801:Humans; D007248:Infertility, Male / Q000175:diagnosis / Q000188:drug therapy* / Q000628:therapy; D007621:Karyotyping; D008026:Ligation; D008297:Male; D008697:Methane / Q000627:therapeutic use; D011863:Radioimmunoassay; D012907:Smoking; D013094:Spermatozoa; D013737:Testis / Q000473:pathology; D013739:Testosterone / Q000097:blood; D014646:Varicocele / Q000601:surgery
chemical_list: D000728:Androgens; D006062:Gonadotropins; D013196:Dihydrotestosterone; D013739:Testosterone; D005474:Fluoxymesterone; D008697:Methane