title: Ruling out subarachnoid hemorrhage.
authors.affiliation: Department of Neurology, Helsinki University Central Hospital, Program of Molecular Neurology, University of Helsinki, Biomedicum Helsinki, PL 700, 00029 HUS, Finland (e-mail: perttu.lindsberg@hus.fi).
authors.forename: P J
authors.initials: PJ
authors.lastname: Lindsberg
mesh_terms: D006801:Humans; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*