title: Sudden hearing loss: circulatory.
mesh_terms: D001794:Blood Pressure; D002245:Carbon Dioxide / Q000097:blood / Q000627:therapeutic use; D003639:Hearing Loss, Sudden / Q000503:physiopathology* / Q000628:therapy; D006801:Humans; D007761:Labyrinthine Fluids / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000097:blood / Q000378:metabolism / Q000627:therapeutic use; D010313:Partial Pressure; D010498:Perilymph / Q000502:physiology*; D011446:Prospective Studies
chemical_list: D002245:Carbon Dioxide; C011700:carbogen; D010100:Oxygen