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. 2023 Apr 11;14:1170751. doi: 10.3389/fendo.2023.1170751

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Copyright © 2023 Han, Kim, Lee, Kim, Ahn and Lee

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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Faint and bright NIRAF images of unexposed and exposed PGs (arrowheads). (A) Faint image before dissection (NIRAF intensity: 2.15 au). (B) Faint image after dissection (NIRAF intensity: 4.01 au). (C) Bright image before dissection (NIRAF intensity: 3.33 au). (D) Bright image after dissection (NIRAF intensity: 4.77 au). T, thyroid; B, background; NIRAF, near-infrared autofluorescence.