@ARTICLE{
author={Jovanovic Ivan D,Vormbrock Klaus,Zimmermann Lars,Djuranovic Srdjan P,Ugljesic Milenko B,Malfertheiner Peter,Fry Lucia C,Moenkemueller Klaus},
year={2011},
title={Therapeutic Double-Balloon Enteroscopy: A Binational, Three-Center Experience},
journal={DIGESTIVE DISEASES},
volume={29},
number={},
pages={27-31},
document_type={Article},
} 

@ARTICLE{
author={Jovanovic Ivan D,Vormbrock Klaus,Wilcox CM,Moenkemueller Klaus},
year={2011},
title={Therapeutic and interventional endoscopy for gastrointestinal bleeding},
journal={EUROPEAN JOURNAL OF TRAUMA AND EMERGENCY SURGERY},
volume={37},
number={4},
pages={339-351},
document_type={Review},
}