43% off (Sale price $90.00, Reg. Price $160.00) :: The panel contains the following tests: Thyroid-Stimulating Hormone (TSH) – Evaluates overall thyroid function Total Thyroxine (T4) – Measures the total amount of T4 produced by the thyroid gland Free Thyroxine (T4) – Measures the amount of T4 available to
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