title: Double-isotope derivative assay of serum iodothyronines. II. Thyroxine.
mesh_terms: D000085:Acetates; D000812:Anhydrides; D002852:Chromatography, Ion Exchange; D002940:Circadian Rhythm; D006801:Humans; D006980:Hyperthyroidism / Q000097:blood; D007037:Hypothyroidism / Q000097:blood; D007456:Iodine Isotopes; D008722:Methods; D013974:Thyroxine / Q000097:blood*; D014316:Tritium
chemical_list: D000085:Acetates; D000812:Anhydrides; D007456:Iodine Isotopes; D014316:Tritium; D013974:Thyroxine