title: A sex difference in plasma thyroxine and thyroid stimulating hormone in rats.
mesh_terms: D000818:Animals; D005260:Female; D006041:Goats / Q000276:immunology; D007457:Iodine Radioisotopes; D008297:Male; D011863:Radioimmunoassay; D051381:Rats; D012737:Sex Factors; D013960:Thyroid Function Tests; D013972:Thyrotropin / Q000097:blood*; D013974:Thyroxine / Q000097:blood*
chemical_list: D007457:Iodine Radioisotopes; D013972:Thyrotropin; D013974:Thyroxine