Mathur, P P Serum thyroxine and triiodothyronine levels in newborns: effect of gestational age. [electronic resource] - Indian journal of pediatrics - 401-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0019-5456 Standard No.: 10.1007/BF02760424 doi Subjects--Topical Terms: HumansInfant, Newborn--bloodInfant, Postmature--bloodInfant, Premature--bloodThyroxine--bloodTriiodothyronine--blood