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(A) and (B): Early 4 T brain images published from Siemens (Barfuss et al., 1988, 1990); (C) 4 T MDEFT image of human brain obtained at the CMRR (Ugurbil et al., 1993; Lee et al., 1995); (D) Contemporary 7 T brain image in coronal section showing hippocampal formation (Henry et al., 2011); and (E) 7 T image in the human torso displaying a coronal cut through the human heart (Erturk et al., 2017a).
