title: Thunderclap headache.
authors.affiliation: Department of Neurology, Nottingham University Hospitals NHS Trust, QMC Campus, Derby Road, Nottingham, UK. niraj@doctors.net.uk
authors.forename: Niraj
authors.initials: N
authors.lastname: Mistry
authors.forename: Liberty
authors.initials: L
authors.lastname: Mathew
authors.forename: Allyson
authors.initials: A
authors.lastname: Parry
mesh_terms: D051270:Headache Disorders, Primary / Q000175:diagnosis* / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D008297:Male; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000150:complications*