PT - JOURNAL ARTICLE AU - Thabele Leslie-Mazwi AU - Ronil V Chandra AU - Blaise W Baxter AU - Adam S Arthur AU - Muhammad S Hussain AU - I Paul Singh AU - Don F Frei AU - Richard P Klucznik AU - Felipe C Albuquerque AU - Joshua A Hirsch ED - , TI - ELVO: an operational definition AID - 10.1136/neurintsurg-2018-013792 DP - 2018 Feb 08 TA - Journal of NeuroInterventional Surgery PG - neurintsurg-2018-013792 4099 - http://jnis.bmj.com/content/early/2018/02/08/neurintsurg-2018-013792.short 4100 - http://jnis.bmj.com/content/early/2018/02/08/neurintsurg-2018-013792.full