@ARTICLE{
author={Georgakis Marios K,...,Zivkovic-Perisic Snezana V,...,(broj koautora 26)},
year={2017},
title={Central nervous system tumours among adolescents and young adults (15-39 years) in Southern and Eastern Europe: Registration improvements reveal higher incidence rates compared to the US},
journal={EUROPEAN JOURNAL OF CANCER},
volume={86},
number={},
pages={46-58},
document_type={Article},
} 

@ARTICLE{
author={Georgakis Marios K,...,Zivkovic-Perisic Snezana V,...,(broj koautora 26)},
year={2017},
title={Malignant Central Nervous System Tumors Among Adolescents and Young Adults (15-39 Years Old) in 14 Southern-Eastern European Registries and the US Surveillance, Epidemiology, and End Results Program: Mortality and Survival Patterns},
journal={CANCER},
volume={123},
number={22},
pages={4458-4471},
document_type={Article},
} 

@ARTICLE{
author={Georgakis Marios K,...,Zivkovic Snezana V,...,(broj koautora 26)},
year={2016},
title={Incidence and time trends of childhood lymphomas: findings from 14 Southern and Eastern European cancer registries and the Surveillance, Epidemiology and End Results, USA},
journal={CANCER CAUSES & CONTROL},
volume={27},
number={11},
pages={1381-1394},
document_type={Article},
}