Development of Collateral Veins as a Favorable Prognostic Factor for Complete Recovery in Cerebral Venous Thrombosis Due to Tribulus Terrestris. Issue 6 (August 2015) - Liguori, Claudio; Placidi, Fabio; Leonardis, Francesca; Diomedi, Marina; Mercuri, Nicola Biagio; Marciani, Maria Grazia; Stanzione, Paolo; Sallustio, Fabrizio