@ARTICLE{
author={Djurdjevic Predrag T,Laban Aleksandra,Markovic Smilja,Jelikic-Stankov Milena D},
year={2004},
title={Chemometric optimization of a RP-HPLC method for the simultaneous analysis of abacavir, lamivudine, and zidovudine in tablets},
journal={ANALYTICAL LETTERS},
volume={37},
number={13},
pages={2649-2667},
document_type={Article},
} 

@ARTICLE{
author={Laban Aleksandra,Markovic Smilja,Stankov Milena J,Djurdjevic Predrag T},
year={2004},
title={Simultaneous determination of gestodene and ethinyl estradiol in contraceptive formulations by RP-HPLC},
journal={ANALYTICAL LETTERS},
volume={37},
number={2},
pages={273-282},
document_type={Article},
}