title: Validation of new tests.
authors.affiliation: Applied Epidemiology, Sidney, British Columbia, Canada.
authors.forename: D
authors.initials: D
authors.lastname: Birnbaum
authors.forename: S B
authors.initials: SB
authors.lastname: Sheps
mesh_terms: D001955:British Columbia; D003933:Diagnosis; D006801:Humans; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity