Assessment of Iodine Status in a Referral-Based Euthyroid Adult Population in Aydın Province: Spot Urinary Iodine Concentration, Iodine/Creatinine Ratio, and Serum Thyroglobulin Levels - Ayça Tuzcu; Kenan Yörük; Gülnur Taşçı Bozbaş; Aslıhan Büyüköztürk; Mustafa Yılmaz (Journal of Turkish Clinical Biochemistry, 2026)