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