title: A prospective follow up of thunderclap headache mimicking subarachnoid haemorrhage.
authors.forename: H S
authors.initials: HS
authors.lastname: Markus
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D013345:Subarachnoid Hemorrhage / Q000175:diagnosis*