title: Differential diagnosis of headaches.
authors.forename: W E
authors.initials: WE
authors.lastname: Shankland
mesh_terms: D003027:Cluster Headache / Q000175:diagnosis; D003389:Cranial Nerve Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D006261:Headache / Q000175:diagnosis*; D006801:Humans; D008881:Migraine Disorders / Q000175:diagnosis; D009437:Neuralgia / Q000175:diagnosis; D014653:Vascular Headaches / Q000175:diagnosis