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. 2021 Dec 6;12:795111. doi: 10.3389/fendo.2021.795111

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Copyright © 2021 Planck, Lantz, Perros, Papini, Attanasio, Nagy and Hegedüs

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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Use of levothyroxine (L-T4) and liothyronine (L-T3) combination therapy in patients with hypothyroidism (data from 93 respondents, 23 did not answer this question). The same 23 individuals did not respond in Figures 1 – 3 .