Moving beyond a single perfusion threshold to define penumbra: a novel probabilistic mismatch definition

- Nagakane, Yoshinari; Christensen, Soren; Donnan, Geoffrey A.; Ogata, Toshiyasu; Churilov, Leonid; Ma, Henry; Parsons, Mark W.; Desmond, Patricia M.; Levi, Christopher R.; Butcher, Kenneth S.; Davis, Stephen M.