We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleExtra- and transcranial echo colour Doppler in the diagnosis of chronic cerebrospinal venous insufficiency.AuthorsVan den Berg, P. J.; Visser, L. H.PublicationPhlebology, 2012, Vol 27, p107ISSN0268-3555Publication typearticleDOI10.1258/phleb.2011.012S04