title: The long-forgotten refractometer.
authors.forename: R W
authors.initials: RW
authors.lastname: Powitz
authors.forename: J J
authors.initials: JJ
authors.lastname: Balsamo
mesh_terms: D004864:Equipment and Supplies; D005511:Food Handling / Q000592:standards*; D005513:Food Inspection / Q000592:standards*; D006801:Humans; D011786:Quality Control; D012031:Refractometry / Q000592:standards*; D012680:Sensitivity and Specificity; D014481:United States