Serum free triiodothyronine (T3) to free thyroxine (T4) ratio in treated central hypothyroidism compared with primary hypothyroidism and euthyroidism
Keywords: Central hypothyroidism; Triiodothyronine to thyroxine ratio; T3; T4; Hipotiroidismo central; Razón triyodotironina tiroxina; T3; T4;