PT - JOURNAL ARTICLE AU - David F Kallmes AU - Kevin Kallmes AU - Mayank Goyal AU - Joshua A Hirsch AU - Alejandro A Rabinstein AU - Waleed Brinjikji AU - Colin Derdeyn TI - Equipoise dumbbell AID - 10.1136/neurintsurg-2018-013820 DP - 2018 Mar 06 TA - Journal of NeuroInterventional Surgery PG - neurintsurg-2018-013820 4099 - http://jnis.bmj.com/content/early/2018/03/05/neurintsurg-2018-013820.short 4100 - http://jnis.bmj.com/content/early/2018/03/05/neurintsurg-2018-013820.full