collection: 2type: 7author: Stratakos, Grigoris_or_Spyropoulos, Vasileios_or_Antoniadis, Ioannis_or_Σπυρόπουλος, Βασίλειος__ellang: elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES