The presence of iodotyrosine-like compounds in normal serum.
D000818:Animals; D004105:Diiodotyrosine / Q000097:blood; D006801:Humans; D007456:Iodine Isotopes; D051381:Rats; D013961:Thyroid Gland / Q000378:metabolism; D013963:Thyroid Hormones / Q000097:blood*
D007456:Iodine Isotopes; D013963:Thyroid Hormones; D004105:Diiodotyrosine