@ARTICLE{
author={Krivoshiev Stefan,Wizemann Volker,Czekalski Stanisaw,Schiller Adalbert,Pljesa Steva J,Wolf-Pflugmann Michael,Siebert-Weigel Marianne,Koytchev Rossen,Bronn Angelika},
year={2010},
title={Therapeutic equivalence of epoetin zeta and alfa, administered subcutaneously, for maintenance treatment of renal anemia},
journal={ADVANCES IN THERAPY},
volume={27},
number={2},
pages={105-117},
document_type={Article},
} 

@ARTICLE{
author={Schiller Adalbert,Gusbeth-Tatomir Paul,Pavlovic Nikola M,Ferluga Dusan,Spasovski Goce B,Covic Adrian},
year={2008},
title={Balkan endemic nephropathy: a still unsolved puzzle},
journal={JOURNAL OF NEPHROLOGY},
volume={21},
number={5},
pages={673-680},
document_type={Review},
}