8J sofim: playing the numbers. Medical World New[J], Oct. 24,1983, P38-55.
9Wilm Quentin, David ScheUer-Kreinsen, Alexander Geissler, Rein_hard Busseand on behalf of the EuroDRG group : Appendectomy and diagnosis-rehted groups (DRGs): patient classification and hospital reimbursement in 11 European countries.Department of Health Care Management, Technische Universitt (TU) Berlin, Strae des 17, Juni 135, H80, 10623 Berlin, Germany.