Prevalence of extracranial venous narrowing on catheter venography in people with multiple sclerosis, their siblings, and unrelated healthy controls: a blinded, case-control study
The Lancet (2014) - Comments
doi: 10.1016/s0140-6736(13)61747-x  issn: 0140-6736  pubmed: 24119384 

Anthony L Traboulsee, Katherine B Knox, Lindsay Machan, Yinshan Zhao, Irene Yee, Alexander Rauscher, Darren Klass, Peter Szkup, Robert Otani, David Kopriva, Shanti Lala, David K Li, Dessa Sadovnick