collection: 1_or_2lang: elauthor: Spyropoulos, Vasileios_or_Palaiologou, Danai_or_Katsila, Theodora_or_Papanikolaou, Georgios_or_Σπυρόπουλος, Βασίλειος__eltype: 1subjectTerm: III. ENGINEERING AND TECHNOLOGY_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES