The effect of age on outcome after intra-arterial treatment in acute ischemic stroke: a MR CLEAN pretrial study. - Beumer D; Rozeman AD; Lycklama À Nijeholt GJ; Brouwer PA; Jenniskens SF; Algra A; Boiten J; Schonewille W; van Oostenbrugge RJ; Dippel DW; van Zwam WH (BMC neurology, 2016)