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Description: We provide a rich multi-contrast microstructural MRI dataset acquired on an ultra-strong gradient 3T Connectom MRI scanner comprising 5 repeated sets of MRI microstructural contrasts in 6 healthy human participants. This unique dataset is offered to the imaging community as a test-bed resource for conducting specialised analyses that may assist and inform their current and future research. The Microstructural Image Compilation with Repeated Acquisitions (MICRA) dataset includes raw data and computed microstructure maps derived from multi-shell and multi-direction encoded diffusion, multi-component relaxometry and quantitative magnetisation transfer acquisition protocols. Koller, K., Rudrapatna, S. U., Chamberland, M., Raven, E. P., Parker, G. D., Tax, C. M. W., … Jones, D. K. (2020). MICRA: Microstructural Image Compilation with Repeated Acquisitions. NeuroImage, 225, 117406. https://doi.org/10.1016/j.neuroimage.2020.117406 IMPORTANT: BY DOWNLOADING THE MICRA DATASET YOU AGREE TO THE OBLIGATIONS OUTLINED IN THE DATA SHARING AGREEMENT WHICH CAN BE FOUND IN COMPONENTS OR FILES.