title: "Occult" orthostatic headache.
authors.affiliation: Department of Neurology, Mayo Clinic, Scottsdale, Arizona, USA.
authors.forename: Eric
authors.initials: E
authors.lastname: Eross
authors.forename: David
authors.initials: D
authors.lastname: Dodick
authors.forename: Kent
authors.initials: K
authors.lastname: Nelson
mesh_terms: D000328:Adult; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging; D005260:Female; D006261:Headache / Q000000981:diagnostic imaging* / Q000209:etiology*; D006801:Humans; D009192:Myelography; D011187:Posture; D014057:Tomography, X-Ray Computed