1. Ontogenesis of hypothalamic-pituitary-thyroid function and metabolism in man, sheep and rat;Fisher;Recent Prog Horm Res,1977
2. Plasma triiodothyronine concentration in the foetal and newborn lamb;Nathanielsz;J Endocr,1973
3. Surge of fetal triiodothyronine before birth in sheep;Nwosu;Am J Obstet Gynec,1978
4. Plasma concentration of thyroid stimulating hormone, thyroxine and tri-iodothyronine in the perinatal pig;Colenbrander;J Endocr,1980