@ARTICLE{
author={Stoess Christian,Steffani Marcella,Pergolini Ilaria,Hartmann Daniel,Radenkovic Dejan V,Novotny Alexander,Friess Helmut,Muller Michael W},
year={2021},
title={Impact of the COVID-19 Pandemic on Surgical Oncology in Europe: Results of a European Survey},
journal={DIGESTIVE SURGERY},
volume={38},
number={4},
pages={259-265},
document_type={Article},
} 

@ARTICLE{
author={Kaufmann Benedikt,Hartmann Daniel,D'Haese Jan G,Stupakov Pavel,Radenkovic Dejan V,Gloor Beat,Friess Helmut},
year={2019},
title={Neoadjuvant Treatment for Borderline Resectable Pancreatic Ductal Adenocarcinoma},
journal={DIGESTIVE SURGERY},
volume={36},
number={6},
pages={455-461},
document_type={Review},
}