Discrepant results for free thyroxin by radioimmunoassay and dialysis procedures explained.
D003956:Dialysis; D006493:Heparin / Q000097:blood / Q000627:therapeutic use; D006801:Humans; D011863:Radioimmunoassay; D013974:Thyroxine / Q000097:blood*
D006493:Heparin; D013974:Thyroxine