title: Falsely low serum thyroxine concentration measured with the Abbott TDx.
authors.forename: U M
authors.initials: UM
authors.lastname: Kabadi
authors.forename: I S
authors.initials: IS
authors.lastname: Fox
authors.forename: P
authors.initials: P
authors.lastname: Cook
mesh_terms: D002624:Chemistry, Clinical / Q000295:instrumentation* / Q000592:standards; D005188:False Negative Reactions; D006801:Humans; D013974:Thyroxine / Q000097:blood*
chemical_list: D013974:Thyroxine