title: An interlaboratory and intralaboratory comparison of serum T4 methodologies.
mesh_terms: D001667:Binding, Competitive; D004355:Drug Stability; D005069:Evaluation Studies as Topic; D006801:Humans; D007202:Indicators and Reagents; D007457:Iodine Radioisotopes; D008722:Methods; D011869:Radioligand Assay; D013696:Temperature; D013974:Thyroxine / Q000097:blood*; D013997:Time Factors
chemical_list: D007202:Indicators and Reagents; D007457:Iodine Radioisotopes; D013974:Thyroxine