Brachiocephalic vein obstruction caused by aberrant right subclavian artery (image) - A Case of Extrinsic Chronic Cerebrospinal Venous Insuf?ciency in a Patient with
Multiple Sclerosis http://www.levecsystem.com/pdf/A%20Case%20of%20Extrinsic%20Chronic%20Cerebrospinal%20Venous%20Insufficiency%20in%20a%20Patient%20With%20Multiple%20Sclerosis.pdf