074 Rating papilloedema: an evaluation of the Frisen classification in idiopathic intracranial hypertension
A Sinclair, M A Burdon, P G Nightingale, T D Matthews, A Jacks, M Lawden, A Sivaguru, B J Gaskin, C E Clarke, A Ball
Journal of Neurology, Neurosurgery & Psychiatry Mar 2012, 83 (3) e1; DOI: 10.1136/jnnp-2011-301993.116