参考文献: 1. Agharanya JC. Clinical usefulness of ELISA technique in the assessment of thyroid function. West Afr J Med 1990;9(4):258-63. 2. Baumgartner-Parzer SM; Wagner L; Reining G; Sexl V; Nowotny P; Muller M; Brunner M; Waldh¨ausl W. Increase by tri-iodothyronine of endothelin-1, fibronectin and von Willebrand factor in cultured endothelial cells. J Endocrinol 1997;154(2):231-9. 3. Maes M; Mommen K; Hendrickx D; Peeters D; D'Hondt P; Ranjan R; De Meyer F; Scharp´e S Components of biological variation, including seasonality, in blood concentrations of TSH, TT3, FT4, PRL, cortisol and testosterone in healthy volunteers. Clin Endocrinol (Oxf) 1997; 46(5):587-98. 4. Santini F; Chiovato L; Bartalena L; Lapi P; Palla R; Panichi V; Velluzzi F; Grasso L; Chopra IJ; Martino E; Pinchera A Study of serum 3,5,3'-triiodothyronine sulfate concentration in patients with systemic non-thyroidal illness. Eur J Endocrinol 1996;134(1):45-9