title: Conversion of thyroxine to triiodothyronine in liver biopsy samples of beta-carotene and vitamin-A supplemented dairy cows.
mesh_terms: D000818:Animals; D001707:Biopsy, Needle / Q000662:veterinary; D002338:Carotenoids / Q000097:blood / Q000494:pharmacology*; D002417:Cattle / Q000378:metabolism*; D005260:Female; D005527:Food, Fortified; D066298:In Vitro Techniques; D008099:Liver / Q000378:metabolism*; D013961:Thyroid Gland / Q000187:drug effects* / Q000378:metabolism; D013974:Thyroxine / Q000378:metabolism*; D014284:Triiodothyronine / Q000096:biosynthesis*; D014801:Vitamin A / Q000494:pharmacology*; D019207:beta Carotene
chemical_list: D019207:beta Carotene; D014284:Triiodothyronine; D014801:Vitamin A; D002338:Carotenoids; D013974:Thyroxine