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. 2023 Feb 15;5:1009638. doi: 10.3389/fmedt.2023.1009638

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© 2023 Chen, Streeter, Hunt, Sardar, Gunn, Tafe, Paydarfar, Pogue, Paulsen and Samkoe.

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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Representative bread-loafed slice of a head and neck cancer displaying normal and tumor-derived EGFR expression. EGFR IHC staining (left) and fluorescence (right) images of slice #16 from dose group 2. Arrows annotate EGFR-positive tissues including tumor, salivary gland (SG), and mucosa on the EGFR IHC staining and fluorescence images, respectively.