author: Spyropoulos, Vasileios_or_Michalopoulos, Andreas_or_Lianos, Theodoros_or_Papatheodoropoulos, Costas_or_Παγουρτζής, Αριστείδης__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES