Prevalence of extracranial venous narrowing on catheter venography in people with multiple sclerosis, their siblings, and unrelated healthy controls: a blinded, case-control study

  title={Prevalence of extracranial venous narrowing on catheter venography in people with multiple sclerosis, their siblings, and unrelated healthy controls: a blinded, case-control study},
  author={Anthony L. Traboulsee and Katherine B Knox and Lindsay Machan and Yinshan Zhao and Irene M.L. Yee and Alexander Rauscher and Darren Klass and Peter Szkup and Rob Otani and David Kopriva and Shantilal Lala and David K.B. Li and Dessa A. Sadovnick},
  journal={The Lancet},

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