title: Scottish Immunoassay Support Service Quality Control scheme for thyroxine, triiodothyronine, and digoxin assays: analysis of first 18 months' experience.
mesh_terms: D000818:Animals; D002417:Cattle; D003429:Cross Reactions; D004077:Digoxin / Q000097:blood*; D006801:Humans; D011786:Quality Control; D011863:Radioimmunoassay / Q000379:methods; D011869:Radioligand Assay; D011933:Reagent Kits, Diagnostic; D012606:Scotland; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D014284:Triiodothyronine; D004077:Digoxin; D013974:Thyroxine