@ARTICLE{
author={Pavelka Karel,Szekanecz Zoltan,Damjanov Nemanja S,Majdan Maria,Nasonov Evgeny L,Mazurov Vadim,Fabo Tibor,Bananis Eustratios,Jones Heather,Szumski Annette,Tang Boxiong,Kotak Sameer,Koenig Andrew S,Vasilescu Radu},
year={2013},
title={Induction of response with etanercept-methotrexate therapy in patients with moderately active rheumatoid arthritis in Central and Eastern Europe in the PRESERVE study},
journal={CLINICAL RHEUMATOLOGY},
volume={32},
number={9},
pages={1275-1281},
document_type={Article},
} 

@ARTICLE{
author={Braun Juergen,Pavelka Karel,Ramos-Remus Cesar,Dimic Aleksandar N,Vlahos Bonnie,Freundlich Bruce,Koenig Andrew S},
year={2012},
title={Clinical Efficacy of Etanercept Versus Sulfasalazine in Ankylosing Spondylitis Subjects with Peripheral Joint Involvement},
journal={JOURNAL OF RHEUMATOLOGY},
volume={39},
number={4},
pages={836-840},
document_type={Article},
}