title: False elevation of serum thyroxine in myxoedema due to thyroxine-binding autoantibodies. A diagnostic pitfall.
mesh_terms: D000328:Adult; D001323:Autoantibodies / Q000276:immunology*; D005189:False Positive Reactions; D006801:Humans; D008297:Male; D009230:Myxedema / Q000097:blood / Q000276:immunology*; D011863:Radioimmunoassay; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood* / Q000276:immunology
chemical_list: D001323:Autoantibodies; D013974:Thyroxine