Artículo original: Wu RR, Lu SS, Cao YZ, Xu XQ, Jia ZY, Zhao LB, et al. Hypoperfusion intensity ratio correlates with clinical outcome of endovascular thrombectomy in acute ischaemic stroke patients with late therapeutic window. Clinical Radiology. 2022;77(8):570–6. DOI: https://doi.org/10.1016/j.crad.2022.04.003…