title: Reply. Impact of assay design on test performance: lessons learned from 25-hydroxyvitamin D. Authors' response to the Letter to the Editor by Donnelly et al.
authors.forename: Christopher-John L
authors.initials: CJ
authors.lastname: Farrell
authors.forename: Joshua
authors.initials: J
authors.lastname: Soldo
authors.forename: Brett
authors.initials: B
authors.lastname: McWhinney
authors.forename: Sushil
authors.initials: S
authors.lastname: Bandodkar
authors.forename: Markus
authors.initials: M
authors.lastname: Herrmann
mesh_terms: D006801:Humans; D007118:Immunoassay / Q000379:methods*; D014807:Vitamin D / Q000031:analogs & derivatives*
chemical_list: D014807:Vitamin D