Author(s):
1. Nada Avram, Univerzitetska bolnica Foča,
Republic of Srpska, Bosnia and Herzegovina
2. Nikolina Dukić, Univerzitetska bolnica Foča,
Republic of Srpska, Bosnia and Herzegovina
3. Mirjana Ćuk, 4. Maja Račić, Medicinski fakultet Foča ,
Republic of Srpska, Bosnia and Herzegovina
5. Miroslav Obrenović, Univerzitetska bolnica Foča,
Republic of Srpska, Bosnia and Herzegovina