@ARTICLE{
author={Wyns C,De Geyter Ch,Calhaz-Jorge C,Kupkas MS,Motrenko Tatjana,Smeenk J,Bergh C,Tandler-Schneider A,Rugescu IA,Vidakovic Snezana,Goossens V},
year={2021},
title={ART in Europe, 2017: results generated from European registries by ESHRE},
journal={HUMAN REPRODUCTION OPEN},
volume={2021},
number={3},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Wyns C,Bergh C,Calhaz-Jorge C,De Geyter Ch,Kupka MS,Motrenko Tatjana,Rugescu IA,Smeenk J,Tandler-Schneider A,Vidakovic Snezana,Goossens V},
year={2020},
title={ART in Europe, 2016: results generated from European registries by ESHRE},
journal={HUMAN REPRODUCTION OPEN},
volume={2020},
number={3},
pages={-},
document_type={Article},
}