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. 2021 Mar 1;71(3):689–695. doi: 10.1007/s12020-020-02603-y

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Fig. 2 — Mean ± SEM (black lines) serum concentrations of T3 (panel (A)), free T4 (panel (B)), mean ± SEM (black lines) T3/T4 ratio (panel (C)) and serum concentrations of thyroid stimulating hormone (TSH) (panel (D)). Blue dots represent measurements in individual patients and grey areas the normal range