
Quantitative cerebrovascular 4D flow MRI at rest and during hypercapnia challenge
Keywords: CBF; cerebral blood flow; PC VIPR; four-dimensional (4D) phase contrast vastly-undersampled isotropic projection reconstruction (PC VIPR); TCD; transcranial Doppler ultrasound; MCA; middle cerebral artery; ACA; anterior cerebral artery; VA; vertebral arte