Surks, M I Determination of iodothyronine absorption and conversion of L-thyroxine (T 4 ) to L-triiodothyronine (T 3 ) using turnover rate techniques. [electronic resource] - The Journal of clinical investigation Apr 1973 - 805-11 p. digital Publication Type: Journal Article ISSN: 0021-9738 Standard No.: 10.1172/JCI107244 doi Subjects--Topical Terms: AbsorptionHumansHypothyroidism--bloodIodine IsotopesKineticsMetabolic Clearance RateMethodsRadioimmunoassayThyroxine--bloodTriiodothyronine--blood