@ARTICLE{
author={Grgov Sasa,Stamenkovic Perica,Janjic Dejan},
year={2012},
title={Comparison of Haemostatic Efficacy for Endoscopic Injection Therapy of Epinephrine and Combination Therapy of Epinephrine and Hemoclips for Bleeding Peptic Ulcers},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={140},
number={5-6},
pages={299-304},
document_type={Article},
} 

@ARTICLE{
author={Grgov Sasa,Stamenkovic Perica,Janjic Dejan},
year={2012},
title={Endoscopic Treatment of Gastric and Duodenal Angiodysplasias by Elastic Rings Ligation},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={140},
number={3-4},
pages={168-172},
document_type={Article},
} 

@ARTICLE{
author={Grgov Sasa,Stamenkovic Perica},
year={2011},
title={Does Sclerotherapy of Remnant Little Oesophageal Varices after Endoscopic Ligation Have Impact on the Reduction of Recurrent Varices? Prospective Study},
journal={SRPSKI ARHIV ZA CELOKUPNO LEKARSTVO},
volume={139},
number={5-6},
pages={328-332},
document_type={Article},
}