title: PET scans 'relate clinical picture to more specific nerve function'.
mesh_terms: D001921:Brain / Q000378:metabolism*; D004298:Dopamine / Q000378:metabolism*; D005461:Fluorine; D006801:Humans; D009434:Neural Pathways / Q000473:pathology; D010300:Parkinson Disease / Q000378:metabolism*; D011868:Radioisotopes; D014055:Tomography, Emission-Computed
chemical_list: D011868:Radioisotopes; D005461:Fluorine; D004298:Dopamine