title: The certainty of uncertainty.
authors.affiliation: whorwitz@aoac.org
authors.forename: William
authors.initials: W
authors.lastname: Horwitz
mesh_terms: D002623:Chemistry Techniques, Analytical / Q000592:standards / Q000706:statistics & numerical data*; D011786:Quality Control; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity