Basso, D., K. Capello, L. Corain, and L. Salmaso. “Evaluating Sensitivity and Specificity of Three Diagnostic Tests When the ‘gold standard’ Is Unavailable”,. Statistica, vol. 69, no. 1, Jan. 2009, pp. 15-26, doi:10.6092/issn.1973-2201/3545.