lang: elsubjectTerm: II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_I. MATHEMATICS AND COMPUTER SCIENCE_or_IV. MEDICINE AND HEALTH SCIENCES, LIFE SCIENCES, BIOLOGICAL SCIENCES__enauthor: Gitzenis, Savvas_or_Krizanc, Danny_or_Pagourtzis, Aristeidis_or_Kontogiannis, Ioannis_or_Toumpis, Stavros