Software Development for the Estimation of the Mean DRGs related Treatment Cost. - Maria Botsivaly; Basile Spyropoulos; Michael Marinis; Panagiotis Sarantakis; Georgios Nikoloudakis; Ilias Balabanis; Nikolaos Karagiannis; Irini Limnou; Manolis Moschidis; Aris Tzavaras; Konstantinos Koutsourakis (MIE, 2006)