title: [Thunderclap headache--mostly a benign condition. Investigation guidelines--subarachnoid hemorrhage should be excluded].
authors.affiliation: Neurologiska kliniken , Universitetssjukhuset i Linköping. anne-marie.landtblom@lio.se
authors.forename: Anne-Marie
authors.initials: AM
authors.lastname: Landtblom
authors.forename: Jörgen
authors.initials: J
authors.lastname: Boivie
authors.forename: Steen
authors.initials: S
authors.lastname: Fridriksson
authors.forename: Jan
authors.initials: J
authors.lastname: Hillman
authors.forename: Gunn
authors.initials: G
authors.lastname: Johansson
authors.forename: Ingegerd
authors.initials: I
authors.lastname: Johansson
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001927:Brain Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006261:Headache / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010147:Pain Measurement; D017410:Practice Guidelines as Topic; D011446:Prospective Studies; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*