title: Letter: Forecasting subarachnoid haemorrhage.
mesh_terms: D004827:Epilepsy / Q000150:complications; D006261:Headache / Q000150:complications; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications; D011877:Radionuclide Imaging; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*; D013667:Technetium
chemical_list: D013667:Technetium