Comment on: Levothyrox® New and Old Formulations: Are They Switchable for Millions of Patients?

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Correspondence to Philippe Tréchot.

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Philippe Tréchot declares no potential conflicts of interest that might be relevant to the contents of this letter.

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Tréchot, P. Comment on: Levothyrox® New and Old Formulations: Are They Switchable for Millions of Patients?. Clin Pharmacokinet 58, 977–978 (2019).

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