title: Quality control (QC) clinic. Preface.
authors: James O
authors: JO
authors: Westgard
authors: Sten
authors: S
authors: Westgard
mesh_terms: D006801:Humans; D013677:Medical Laboratory Science / Q000592:standards*; D061214:Patient Safety / Q000592:standards; D011785:Quality Assurance, Health Care; D011786:Quality Control; D012308:Risk Management / Q000592:standards