collection: 3type: 999_or_104_or_102author: Krestenitis, Ioannis_or_Koumpis, Alexandros_or_Zafiropulos, Vassilis_or_Androulidakis, IoannissubjectTerm: IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES_or_VI. HUMANITIES AND ARTS_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES