title: The impact of a new test on two District hospitals--a managerial analysis on the introduction of an improved assay.
mesh_terms: D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D011863:Radioimmunoassay; D013960:Thyroid Function Tests / Q000379:methods; D013974:Thyroxine / Q000097:blood
chemical_list: D013974:Thyroxine