title: Leydig cell tumours in adults. A report of 13 cases.
mesh_terms: D000328:Adult; D004958:Estradiol / Q000097:blood; D006177:Gynecomastia / Q000209:etiology; D006801:Humans; D007984:Leydig Cell Tumor / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D009919:Orchiectomy; D013736:Testicular Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone; D004958:Estradiol