title: Headache caused by straining.
authors.affiliation: North Middlesex Hospital, London, UK.
authors.forename: Akish
authors.initials: A
authors.lastname: Luintel
authors.forename: Tim M
authors.initials: TM
authors.lastname: Young
mesh_terms: D001139:Arnold-Chiari Malformation / Q000150:complications* / Q000175:diagnosis; D001921:Brain / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D006261:Headache / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D014057:Tomography, X-Ray Computed