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. 2022 Oct 12;15(10):e250696. doi: 10.1136/bcr-2022-250696

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© BMJ Publishing Group Limited 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Changes in thyroid function tests over the course of treatment. Day 25 represents the day from initiation of chemotherapy. FT4, free thyroxine; TSH, thyroid-stimulating hormone.