type: 6_or_999_or_102_or_112author: Panagopoulos, Georgios_or_Bertachas, Ioannis_or_Kolettis, Theofilos_or_Toumpis, StavrossubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES