%0 Journal Article %A Phey Ming Yeap %A Christos Tziotzios %A Nigel McMillan %A Matthew Walters %T A small left pupil and a headache %D 2011 %R 10.7861/clinmedicine.11-4-402 %J Clinical Medicine %P 402-404 %V 11 %N 4 %U https://www.rcpjournals.org/content/clinmedicine/11/4/402.full.pdf