The measurement of T3 in plasma specimens.
D006493:Heparin / Q000097:blood; D006801:Humans; D008722:Methods; D008832:Microchemistry; D010949:Plasma; D012044:Regression Analysis; D014284:Triiodothyronine / Q000097:blood*
D014284:Triiodothyronine; D006493:Heparin