lang: elauthor: Kroupis, Christos_or_Zachos, Efstathios_or_Antoniadis, Ioannis_or_Spyropoulos, Vasileios_or_Pagourtzis, Aristeidis_or_Αντωνιάδης, Ιωάννης__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES