Figure 1.  The ST-model for diagnostic reasoning. Reference 9. (Figure 3 from Stefanelli, M., and Ramoni, M. 1991. Epistemological constraints on medical knowledge-based systems, in: D.A. Evans, V.L. Patel Eds. , Proceedings of the NATO Advanced Research Workshop on Advanced Models of Cognition for Medical Training and Practice, ll Ciocco, Barga, Italy, June 19-22, Springer-Verlag, pp. 3-20, Published in cooperation with NATO Scientific Affairs Division. Used by permission of Springer-Verlag.) BACK