title: Timing of surgery for ruptured aneurysms: statistical issues.
authors.forename: H S
authors.initials: HS
authors.lastname: Bell
mesh_terms: D006801:Humans; D002532:Intracranial Aneurysm / Q000601:surgery*; D012422:Rupture, Spontaneous; D013223:Statistics as Topic; D013997:Time Factors