1. Escherichia coli positive infratentorial subdural empyema secondary to mastoiditis and underlying cholesteatoma. (28th April 2014) Authors: Mirza, Omar; Varadarajan, Vinay; Youshani, Amir Saam; Willatt, David J Journal: BMJ case reports Issue: Volume 2014 Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗