title: Free triiodothyronine (T3) index obtained from measurements of T3 resin uptake and total T3 serum concentration.
mesh_terms: D005260:Female; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D008722:Methods; D011247:Pregnancy; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine