RT Journal Article SR Electronic T1 Correspondence on “Delayed collapse of flow diverter due to acute severe vasospasm: another concern for flow diversion in ruptured aneurysms” by Kumar et al JF Journal of NeuroInterventional Surgery JO J NeuroIntervent Surg FD BMJ Publishing Group Ltd. SP jnis-2022-019325 DO 10.1136/jnis-2022-019325 A1 Francesco Mistretta A1 Riccardo Russo A1 Stefano Molinaro A1 Mauro Bergui YR 2022 UL http://jnis.bmj.com/content/early/2022/08/02/jnis-2022-019325.abstract AB