New recommendations on cerebral venous and dural sinus thrombosis from the German consensus-based (S2k) guideline oleh C Weimar, J Beyer-Westendorf, FO Bohmann, G Hahn, S Halimeh, S Holzhauer, C Kalka, M Knoflach, H-C Koennecke, F Masuhr, M-L Mono, U Nowak-Göttl, E Scherret, M Schlamann, B Linnemann