Refractory Stroke Thrombectomy: Prevalence, Etiology, and Adjunctive Treatment in a North American Cohort
=========================================================================================================

* R.N. Abdalla
* D.R. Cantrell
* A. Shaibani
* M.C. Hurley
* B.S. Jahromi
* M.B. Potts
* S.A. Ansari