MERCI.; Multi MERCI Writing Committee - Nogueira, R G; Liebeskind, D S; Sung, G; Duckwiler, G; Smith, W S (Predictors of good clinical outcomes, mortality, and successful revascularization in patients with acute ischemic stroke undergoing thrombectomy: pooled analysis of the Mechanical Embolus Removal in Cerebral Ischemia (MERCI) and Multi MERCI Trials, 2009)