We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleClinical decision rules to rule out subarachnoid hemorrhage for acute headache.AuthorsPerry JJ; Stiell IG; Sivilotti ML; Bullard MJ; Hohl CM; Sutherland J; Émond M; Worster A; Lee JS; Mackey D; Pauls M; Lesiuk H; Symington C; Wells GAPublicationJAMA, 2013, Vol 310, Issue 12, p1248ISSN1538-3598Publication typearticleDOI10.1001/jama.2013.278018