PT - JOURNAL ARTICLE AU - Emmanuel Houdart TI - Commentary about a 20th meta-analysis AID - 10.1136/neurintsurg-2020-017234 DP - 2021 Jan 28 TA - Journal of NeuroInterventional Surgery PG - neurintsurg-2020-017234 4099 - http://jnis.bmj.com/content/early/2021/01/28/neurintsurg-2020-017234.short 4100 - http://jnis.bmj.com/content/early/2021/01/28/neurintsurg-2020-017234.full