Development of collateral veins as a favorable prognostic factor for complete recovery in cerebral venous thrombosis due to Tribulus terrestris. Issue 6 (23rd July 2015) - Liguori, Claudio; Placidi, Fabio; Leonardis, Francesca; Diomedi, Marina; Mercuri, Nicola Biagio; Marciani, Maria Grazia; Stanzione, Paolo; Sallustio, Fabrizio