@ARTICLE{
author={Matic-Petrovic Sanja,Zelic Ksenija,Milasin Jelena M,Popovic Branka M,Pucar Ana,Zelic Obrad B},
year={2014},
title={Detection of Herpes Simplex Virus Type 1 in Gingival Crevicular Fluid of Gingival Sulcus/Periodontal Pocket Using Polymerase Chain Reaction},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={142},
number={5-6},
pages={296-300},
document_type={Article},
} 

@ARTICLE{
author={Lukovic Natalija,Zelic Obrad B,Cakic Sasa,Petrovic Vanja},
year={2009},
title={The Use of Beta-Tricalcium Phosphate and Bovine Bone Matrix in the Guided Tissue Regeneration Treatment of Deep Infra-Bony Defects},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={137},
number={11-12},
pages={607-612},
document_type={Article},
} 

@ARTICLE{
author={Brkovic-Popovic Snezana,Stamenkovic Dragoslav S,Stanisic-Sinobad Darinka,Rakocevic Zoran B,Zelic Obrad B},
year={2009},
title={The Influence of Continuous Magnetic Field on Periodontal Tissues under Overdentures},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={137},
number={7-8},
pages={363-370},
document_type={Article},
} 

@ARTICLE{
author={Zelic Obrad B,Cakic Sasa,Lukovic Natalija},
year={2009},
title={The Effect of Two Different Oral Antiseptics on Dental Plaque Formation (De Novo Biofilm) and on Gingival Inflammation},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={137},
number={1-2},
pages={6-9},
document_type={Article},
} 

@ARTICLE{
author={Andjelski-Radicevic Biljana,Zelic Obrad B,Mirkovic Silvija,Todorovic Tatjana},
year={2008},
title={Periodontal condition in diabetics in Belgrade},
journal={VOJNOSANITETSKI PREGLED},
volume={65},
number={11},
pages={799-802},
document_type={Article},
} 

@ARTICLE{
author={Ristic Marija M,Svabic-Vlahovic Milena,Sasic Mirjana,Zelic Obrad B},
year={2007},
title={Clinical and microbiological effects of fixed orthodontic appliances on periodontal. tissues in adolescents},
journal={ORTHODONTICS & CRANIOFACIAL RESEARCH},
volume={10},
number={4},
pages={187-195},
document_type={Article},
}