Abuid, J Total and free triiodothyronine and thyroxine in early infancy. [electronic resource] - The Journal of clinical endocrinology and metabolism Aug 1974 - 263-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0021-972X Standard No.: 10.1210/jcem-39-2-263 doi Subjects--Topical Terms: AdultBloodHumansInfantInfant, NewbornRadioimmunoassayThyrotropin--bloodThyroxine--bloodTime FactorsTriiodothyronine--bloodUmbilical Cord