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year={2018},
title={Sesquiterpene lactones from the methanol extracts of twenty-eight Hieracium species from the Balkan Peninsula and their chemosystematic significance},
journal={PHYTOCHEMISTRY},
volume={154},
number={},
pages={19-30},
document_type={Article},
} 

@ARTICLE{
author={Milutinovic Violeta M,Niketic Marjan S,Usjak Ljubos J,Nikolic Dejan,Krunic Aleksej,Zidorn Christian,Petrovic Silvana D},
year={2018},
title={Methanol Extracts of 28 Hieracium Species from the Balkan Peninsula - Comparative LC-MS Analysis, Chemosystematic Evaluation of their Flavonoid and Phenolic Acid Profiles and Antioxidant Potentials},
journal={PHYTOCHEMICAL ANALYSIS},
volume={29},
number={1},
pages={30-47},
document_type={Article},
} 

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year={2015},
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journal={CHEMISTRY & BIODIVERSITY},
volume={12},
number={10},
pages={1585-1594},
document_type={Article},
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@ARTICLE{
author={Pavlovic Ivan,Krunic Aleksej,Nikolic Dejan,Radenkovic Mirjana M,Brankovic Suzana V,Niketic Marjan S,Petrovic Silvana D},
year={2014},
title={Chloroform Extract of Underground Parts of Ferula heuffelii: Secondary Metabolites and Spasmolytic Activity},
journal={CHEMISTRY & BIODIVERSITY},
volume={11},
number={9},
pages={1417-1427},
document_type={Article},
} 

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year={2009},
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journal={TETRAHEDRON},
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number={46},
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document_type={Article},
}