Strbák, V Thyroid hormone in serum of fetal calf and pregnant cow during the last trimester of pregnancy. [electronic resource] - Experientia Sep 1976 - 1215-6 p. digital Publication Type: Journal Article ISSN: 0014-4754 Standard No.: 10.1007/BF01927633 doi Subjects--Topical Terms: AnimalsCattleFemaleFetal BloodPregnancyPregnancy, AnimalThyroxine--bloodTriiodothyronine--blood