title: The reproducibility, sensitivity and specificity of the relative dose response (RDR) test for determining vitamin A status.
authors.forename: J A
authors.initials: JA
authors.lastname: Olson
mesh_terms: D000328:Adult; D002675:Child, Preschool; D004305:Dose-Response Relationship, Drug; D006801:Humans; D009752:Nutritional Status; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014801:Vitamin A / Q000008:administration & dosage*
chemical_list: D014801:Vitamin A