PT - JOURNAL ARTICLE AU - Houdart, Emmanuel TI - Commentary about a 20th meta-analysis AID - 10.1136/neurintsurg-2020-017234 DP - 2021 Sep 01 TA - Journal of NeuroInterventional Surgery PG - e19--e19 VI - 13 IP - 9 4099 - http://jnis.bmj.com/content/13/9/e19.short 4100 - http://jnis.bmj.com/content/13/9/e19.full SO - J NeuroIntervent Surg2021 Sep 01; 13