@ARTICLE{
author={Vukoja Marija N,Kopitovic Ivan S,Milicic Dragana,Maksimovic Olivera,Pavlovic-Popovic Zora,Ilic Miroslav Petar},
year={2018},
title={Sleep quality and daytime sleepiness in patients with COPD and asthma},
journal={CLINICAL RESPIRATORY JOURNAL},
volume={12},
number={2},
pages={398-403},
document_type={Article},
} 

@ARTICLE{
author={Kopitovic Ivan S,Bokan Aleksandar,Andrijevic Ilija,Ilic Miroslav Petar,Marinkovic Sanja,Milicic Dragana,Vukoja Marija N},
year={2017},
title={Frequency of COPD in health care workers who smoke},
journal={JORNAL BRASILEIRO DE PNEUMOLOGIA},
volume={43},
number={5},
pages={351-356},
document_type={Article},
} 

@ARTICLE{
author={Kopitovic Ivan S,Pjevac Sandra,Miric Milica,Milicic Dragana,Vukoja Marija N},
year={2017},
title={Oral appliances in the treatment of obstructive sleep apnea syndrome},
journal={VOJNOSANITETSKI PREGLED},
volume={74},
number={3},
pages={273-277},
document_type={Article},
}