title: Diagnosis of acute headache.
authors.affiliation: Department of Neurology, Jefferson Headache Center, Thomas Jefferson University Hospital, 111 South 11th Street, Suite 8130, Philadelphia, PA 19107-5092, USA. stephanie.nahas@jefferson.edu
authors.forename: Stephanie J
authors.initials: SJ
authors.lastname: Nahas
mesh_terms: D000208:Acute Disease; D003937:Diagnosis, Differential; D006261:Headache / Q000175:diagnosis* / Q000628:therapy; D051270:Headache Disorders, Primary / Q000175:diagnosis / Q000628:therapy; D006801:Humans