Assessing cerebrovascular reactivity in carotid steno-occlusive disease using MRI BOLD and ASL techniques - Leoni, Renata Ferranti; Betti, Kelley Cristine Mazzetto; Silva, Afonso C.; Santos, Antônio Carlos dos; Araújo, Dráulio Barros de; Leite, João Pereira; Pontes Neto, Octávio Marques (Radiology Research and Practice, 2012)