title: Subarachnoid haemorrhage: lumbar puncture for every negative scan? Authors' reply.
authors.forename: Rustam
authors.initials: R
authors.lastname: Al-Shahi
authors.forename: Philip M
authors.initials: PM
authors.lastname: White
authors.forename: Richard J
authors.initials: RJ
authors.lastname: Davenport
authors.forename: Kenneth W
authors.initials: KW
authors.lastname: Lindsay
mesh_terms: D006801:Humans; D013129:Spinal Puncture / Q000706:statistics & numerical data*; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*