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Boeckxstaens, L., Vergote, V., Dierickx, D. et al. Not all black colons on [18F]FDG PET are due to metformin. Eur J Nucl Med Mol Imaging 50, 3477–3478 (2023). https://doi.org/10.1007/s00259-023-06269-2
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DOI: https://doi.org/10.1007/s00259-023-06269-2