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Author(s):
1. Duška Jović, Medicinski fakultet Banja Luka ,
Republic of Srpska, Bosnia and Herzegovina
2. Mirjana Janković, 2Ministarstvo zdravlja i socijalne zaštite Republike Srpske,
Republic of Srpska, Bosnia and Herzegovina
3. Slađana Vranješ, 3Univerzitetski klinički centar Republike Srpske,
Republic of Srpska, Bosnia and Herzegovina