Low-flow and high-flow neurosurgical bypass and anastomosis training models using human and bovine placental vessels: a histological analysis and validation study. - Belykh E; Lei T; Safavi-Abbasi S; Yagmurlu K; Almefty RO; Sun H; Almefty KK; Belykh O; Byvaltsev VA; Spetzler RF; Nakaji P; Preul MC (Journal of neurosurgery, 2016)