title: Imaging: MRS/MRI/PET/SPECT: summary.
authors.affiliation: Department of Neurology, Institute of Psychiatry and Guy's King's and St Thomas's School of Medicine, London.
authors.forename: P Nigel
authors.initials: PN
authors.lastname: Leigh
authors.forename: Andrew
authors.initials: A
authors.lastname: Simmons
authors.forename: Steve
authors.initials: S
authors.lastname: Williams
authors.forename: Vicky
authors.initials: V
authors.lastname: Williams
authors.forename: Martin
authors.initials: M
authors.lastname: Turner
authors.forename: David
authors.initials: D
authors.lastname: Brooks
mesh_terms: D000690:Amyotrophic Lateral Sclerosis / Q000000981:diagnostic imaging / Q000188:drug therapy* / Q000473:pathology*; D002560:Cerebrovascular Circulation / Q000502:physiology; D002986:Clinical Trials as Topic; D003952:Diagnostic Imaging; D023381:Endpoint Determination; D006801:Humans; D008279:Magnetic Resonance Imaging; D009682:Magnetic Resonance Spectroscopy; D015203:Reproducibility of Results; D014055:Tomography, Emission-Computed; D015899:Tomography, Emission-Computed, Single-Photon