Treatment of Central Retinal Vein Occlusion-Related Macular Edema with Intravitreal Bevacizumab (Avastin®): Preliminary Results - Pournaras, J -A C; Nguyen, C; Vaudaux, J D; Konstantinidis, L; Ambresin, A; Wolfensberger, T (Klinische Monatsblätter für Augenheilkunde, 2008)