Discovering comprehensible classification rules by using Genetic Programming: a case study in a medical domain. - Celia C. Bojarczuk; Heitor S. Lopes; Alex Alves Freitas (GECCO, 1999)

An Innovative Application of a Constrained-Syntax Genetic Programming System to the Problem of Predicting Survival of Patients. - Celia C. Bojarczuk; Heitor S. Lopes; Alex Alves Freitas (EuroGP, 2003)

A constrained-syntax genetic programming system for discovering classification rules: application to medical data sets. - Celia C. Bojarczuk; Heitor S. Lopes; Alex Alves Freitas; Edson L. Michalkiewicz (Artif. Intell. Medicine, 2004)