MULTIPLE SCLEROSIS: CCSVI deconstructed and discarded.
Barkhof, Frederik; Wattjes, Mike P.
[Miscellaneous] Nature Reviews Neurology. 9(12):661-662, December 2013.

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: Chronic cerebrospinal venous insufficiency (CCSVI) has been proposed as a cause of multiple sclerosis (MS). However, two new studies found a very low overall prevalence of definite CCSVI, and no association with MS. The data confirm that the ultrasound findings of CCSVI are extremely variable, subjective, and based on major methodological flaws.

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