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. 2021 Aug 6;8:681028. doi: 10.3389/fsurg.2021.681028

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Copyright © 2021 Czumbel, Farkasdi, Gede, Mikó, Csupor, Lukács, Gaál, Kiss, Hegyi and Varga.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Estimate of overall rate of responders at 6 months after treatment. Overall, 74% (95% CI: 66–82%) of included participants had at least one grade improvement on a validated lip fullness scale after 6 months of initial treatment.