Scan-rescan repeatability of axonal imaging metrics using high-gradient diffusion MRI and statistical implications for study design. - Qiuyun Fan; Maya N. Polackal; Qiyuan Tian; Chanon Ngamsombat; Aapo Nummenmaa; Thomas Witzel; Eric C. Klawiter; Susie Yi Huang (NeuroImage, 2021)