title: Effect of heparin in vivo on the in vitro assay of free thyroxine.
mesh_terms: D006493:Heparin / Q000494:pharmacology*; D006801:Humans; D008066:Lipolysis / Q000187:drug effects; D011869:Radioligand Assay; D013959:Thyroid Diseases / Q000175:diagnosis; D013974:Thyroxine / Q000097:blood*
chemical_list: D006493:Heparin; D013974:Thyroxine