title: Reply to the article entitled "Impact of assay design on test performance: lessons learned from 25-hydroxyvitamin D" by Farrell et al., Clin Chem Lab Med 2014;52:1579-87.
authors.forename: James
authors.initials: J
authors.lastname: Donnelly
authors.forename: James
authors.initials: J
authors.lastname: Freeman
authors.forename: Kimberly
authors.initials: K
authors.lastname: Wilson
authors.forename: Victoria
authors.initials: V
authors.lastname: Shalhoub
authors.forename: Paul
authors.initials: P
authors.lastname: Sibley
mesh_terms: D006801:Humans; D007118:Immunoassay / Q000379:methods*; D014807:Vitamin D / Q000031:analogs & derivatives*
chemical_list: D014807:Vitamin D