title: Brainstem perfusion in CFS.
authors.forename: P G
authors.initials: PG
authors.lastname: Nixon
mesh_terms: D001933:Brain Stem / Q000098:blood supply*; D015673:Fatigue Syndrome, Chronic / Q000503:physiopathology*; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology