1. E.J. Condon (Ed.), Virtues Family Physician, Published by Trinity Press, 1977 Edition, London
2. Fuzzy sets and the modelling of physician decision processes, Part (II): Fuzzy diagnosis decision models;Esogbue;Fuzzy Sets and Systems,1980
3. R.A. Frost, Introduction to knowledge based systems, Collins, Chapter 7 `Theories for dealing with uncertainty', Baye's Rule, 1986, p. 399, ISBN-0-00-383114-0
4. Abstract temporal diagnosis in medical domains;Gamper;Artificial in Medicine,1997
5. P.R. Innocent, I. Belton, I. Finlay, D.B.L., R.I. John, Type 2 Fuzzy representations of lung scans to predict pulmonary emboli, in: Conference Proceedings of NAFIPS, Vancouver, July, 2001