Europe PMC
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Quantitative functional BOLD (qfBOLD): A combined gradient-echo and spin-echo framework for oxygen extraction fraction (OEF) mapping with functional MRI
We present a novel framework for OEF mapping with MRI, based on temporal variations in gradient echo (GE) and spin-echo (SE) BOLD signals induced by isometabolic modulations in CBF. This approach, termed quantitative functional BOLD (qfBOLD), exploits dynamic variations in relaxation times rather th
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