title: Use of external controls in transmissible-disease testing.
authors.forename: J A
authors.initials: JA
authors.lastname: Barbara
authors.forename: M
authors.initials: M
authors.lastname: Ferguson
mesh_terms: D001803:Blood Transfusion; D006514:Hepatitis B Surface Antigens / Q000097:blood*; D006801:Humans; D011786:Quality Control; D011933:Reagent Kits, Diagnostic; D006113:United Kingdom
chemical_list: D006514:Hepatitis B Surface Antigens; D011933:Reagent Kits, Diagnostic