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  1. Thyroid RT3 and T3 and tissue signaling

    by , 03-05-2013 at 12:26 AM

    This study of 403 men investigated the association between TSH, T4, free T4, T3,
    TBG and reverse T3 (rT3) and parameters of physical functioning. This study
    demonstrates that TSH and/or T4 levels are poor indicators of tissue thyroid levels
    and thus, in a large percentage of patients, cannot be used to determine whether
    a person is euthyroid (normal thyroid levels) at the tissue level. ...