@inproceedings{NevCor+99,
   author = {J. Neves and P. Cortez and M. Rocha and A. Abelha and 
             J. Machado and V. Alves and S. Basto and H. Neves and J. Neves},
   address = {Ljubljana, Slovenia},
   month= Aug,
   booktitle = {Proceedings of MIE'99 - 15 th International Congress for
                Medical Informatics},
   key = {NevCor+99},
   pages={68-71},
   publisher = {IOS Press},
   editor={P. Kokol and B. Zupan and J. Stare and M. Premik and R. Engelbrecht},
   title = {{A Unified Framework for Data Modeling on 
             Medical Information Systems}},
   year = {1999}
}