Diagnosing cerebral ischemia with door-to-thrombolysis times below 20 minutes. - Pihlasviita S; Mattila OS; Ritvonen J; Sibolt G; Curtze S; Strbian D; Harve H; Pystynen M; Kuisma M; Tatlisumak T; Lindsberg PJ (Neurology, 2018)