@ARTICLE{
author={Zivanovic Ljiljana J,Licanski Ana D,Zecevic Mira L,Jocic Biljana M,Kostic Mirjana K},
year={2008},
title={Application of experimental design in optimization of solid phase extraction of mycophenolic acid and mycophenolic acid glucuronide from human urine and plasma and SPE-RP-HPLC method validation},
journal={JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS},
volume={47},
number={3},
pages={575-585},
document_type={Article},
} 

@ARTICLE{
author={Jocic Biljana M,Zecevic Mira L,Zivanovic Ljiljana J,Licanski Ana D},
year={2007},
title={A chemometrical approach to optimization and validation of an HPLC assay for rizatriptan and its impurities in tablets},
journal={ANALYTICAL LETTERS},
volume={40},
number={12},
pages={2301-2316},
document_type={Article},
}