Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Cranial Epidural Abscess
Adams & Victors Principles of Neurology, Chp 32, pg 712, Ropper, A.H.,et al, 2014
Complications and Outcome of Infective Endocarditis
UpToDate January, Spelman, D. & Sexton, D., 2012