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Author(s):
1. Bojan Pavičar, Affidea, Internacionalni medicinski centar, Centar za Radioterapiju, Dvanaest beba bb, Banja Luka, Pr,
Republic of Srpska, Bosnia and Herzegovina
2. Goran Kolarević,
Republic of Srpska, Bosnia and Herzegovina
3. Sofija Forkapić, Prirodno matematički fakultet, Univerzitet u Novom Sadu, Serbia
4. Branko Predojević, Prirodno-matematički fakultet, Univerzitet u Banjoj Luci,
Republic of Srpska, Bosnia and Herzegovina