Ayan E, Bölükbaşı FH, Silav G, Elmacı İlhan. An ‘S-shaped’ Sign in Cerebral Angiography: Subdural Empyema in a Young Man: Case Report. J Nervous Sys Surgery [Internet]. 2009 Dec. 30 [cited 2024 May 2];2(4):209-12. Available from: https://sscdergisi.org/index.php/sscd/article/view/175