title: The problem of imperfect reference standards.
authors.affiliation: Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario L8N 3Z5, Canada. walter@mcmaster.ca
authors.forename: S D
authors.initials: SD
authors.lastname: Walter
mesh_terms: D015982:Bias; D006801:Humans; D015233:Models, Statistical; D010336:Pathology / Q000592:standards; D012015:Reference Standards; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity