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Milonas, D., Joniau, S. The 2014 ISUP grade group system: the Holy Grail or yet another hype?. World J Urol 39, 1315–1316 (2021). https://doi.org/10.1007/s00345-020-03230-y
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DOI: https://doi.org/10.1007/s00345-020-03230-y