title: Clinical suspicion of subarachnoid hemorrhage and negative head computed tomographic scan performed within 6 hours of headache onset--no need for lumbar puncture.
authors.forename: Mervyn D I
authors.initials: MD
authors.lastname: Vergouwen
authors.forename: Gabriel J E
authors.initials: GJ
authors.lastname: Rinkel
mesh_terms: D002423:Cause of Death; D005260:Female; D006801:Humans; D008297:Male; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging* / Q000401:mortality*; D014057:Tomography, X-Ray Computed / Q000379:methods*