Guenego, A Hypoperfusion intensity ratio correlates with angiographic collaterals in acute ischaemic stroke with M1 occlusion. [electronic resource] - European journal of neurology 05 2020 - 864-870 p. digital Publication Type: Journal Article ISSN: 1468-1331 Standard No.: 10.1111/ene.14181 doi Subjects--Topical Terms: Brain Ischemia--diagnostic imagingCollateral CirculationHumansIschemic StrokeThrombectomy