“…The derived set of decision rules can be used to reveal the basic relations and laws in the problem domain in an explicit and transparent form and, of course, can be used for diagnosing new patients. In several medical domains the inductive learning systems [Kononenko et al, 1984, Horn et al, 1985, Roskar et al, 1986, Kukar et al, 1996 and neural network based algorithms [Alpsan et al, 1995, Baxt, 1991, Brouwer, 1994, Roy et al, 1995, Ster et al, 1995, Ster and Dobnikar, 1995 were applied.…”