title: Thunderclap headache.
authors.affiliation: Emergency Department, Taipei Medical University-Wan Fang Hospital, No. 111, Sec 3, Shing-Long Rd., Taipei 116, Taiwan.
authors.forename: Chun-Lin
authors.initials: CL
authors.lastname: Kuo
authors.forename: Yu-Hui
authors.initials: YH
authors.lastname: Chiu
authors.forename: Jen-Dar
authors.initials: JD
authors.lastname: Chen
authors.forename: Chorng-Kuang
authors.initials: CK
authors.lastname: How
authors.forename: Carlos
authors.initials: C
authors.lastname: Lam
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D051270:Headache Disorders, Primary / Q000175:diagnosis* / Q000209:etiology* / Q000473:pathology; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008279:Magnetic Resonance Imaging / Q000379:methods; D008875:Middle Aged; D014057:Tomography, X-Ray Computed / Q000379:methods