Intramedullary Spinal Sarcoidosis:Clinical and Magnetic Resonance Imaging CharacteristicsNeurol 43:333-337, Junger,s.S.,et al, 1993
Complications of Epidural Anesthesia:MR Appearance of AbnormalitiesRadiology 181:549-554, Sklar,E.M.L.,et al, 1991