@ARTICLE{
author={Agbaba Danica D,Novovic Dragana,Karljikovic-Rajic Katarina D,Marinkovic Valentina D},
year={2004},
title={Densitometric determination of omeprazole, pantoprazole, and their impurities in pharmaceuticals},
journal={JPC-JOURNAL OF PLANAR CHROMATOGRAPHY-MODERN TLC},
volume={17},
number={3},
pages={169-172},
document_type={Article},
} 

@ARTICLE{
author={Karljikovic-Rajic Katarina D,Novovic Dragana,Marinkovic Valentina D,Agbaba Danica D},
year={2003},
title={First-order UV-derivative spectrophotometry in the analysis of omeprazole and pantoprazole sodium salt and corresponding impurities},
journal={JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS},
volume={32},
number={4-5},
pages={1019-1027},
document_type={Article},
}