286. Schievink WI. Headache relief from lateralizing head and neck positions in spontaneous 33 intracranial hypotension. Neurology 2011 77:799. Batsis JA Phy MP. Intracranial hypotension: aggravation of headache at high altitude. Headache 34 2005. 45:380. Mokri B Aksamit AJ Atkinson JL. Paradoxical postura