title: Counterpoint: legitimate and illegitimate tests of free-analyte assay function: we need to identify the factors that influence free-analyte assay results.
authors.affiliation: Department of Biochemistry and Departments of Internal Medicine and Pathology, Loma Linda University School of Medicine, Loma Linda, CA 92350, USA. bwilcox@llu.edu
authors.forename: R Bruce
authors.initials: RB
authors.lastname: Wilcox
authors.forename: Jerald C
authors.initials: JC
authors.lastname: Nelson
mesh_terms: D019963:Clinical Chemistry Tests / Q000379:methods* / Q000592:standards; D006801:Humans; D013677:Medical Laboratory Science; D015203:Reproducibility of Results