TY - JOUR AU - Linda Thienpont AU - Katleen Van Uytfanghe AU - J Marriot AU - Y Tokura AU - Lothar Siekmann AU - Anja Kessler AU - David Bunk AU - Susan Tai C2 - Clinical Chemistry DA - 2021-10-12 15:10:23 LA - en PB - Clinical Chemistry PY - 2021 TI - Feasibility Study of the Use of Frozen Human Sera in Split-Sample Comparison of Immunoassays With Reference Measurement Procedures for Total Thyroxine and Total Triiodothyronine Measurement ER -