Perfusion MRI using endogenous deoxyhemoglobin as a contrast agent: Preliminary data. - Poublanc, Julien; Sobczyk, Olivia; Shafi, Reema; Sayin, Ece Su; Schulman, Jacob; Duffin, James; Uludag, Kamil; Wood, John C.; Vu, Chau; Dharmakumar, Rohan; Fisher, Joseph A.; Mikulis, David J. (Magnetic Resonance in Medicine, 2021)