@ARTICLE{
author={Vajs Vlatka E,Vugdelija Suzana,Trifunovic Snezana S,Karadzic Ivanka M,Juranic Nenad O,Macura Slobodan,Milosavljevic Slobodan M},
year={2003},
title={Further degradation product of hyperforin from Hypericum perforatum (St. John's Wort)},
journal={FITOTERAPIA},
volume={74},
number={5},
pages={439-444},
document_type={Article},
} 

@ARTICLE{
author={Vugdelija Suzana,Vajs Vlatka E,Trifunovic Snezana S,Djokovic Dejan D,Milosavljevic Slobodan M},
year={2000},
title={A new heterocyclization product of adhyperforin from Hypericum perforatum (St. John's wort)},
journal={MOLECULES},
volume={5},
number={4},
pages={M158-U15},
document_type={Article},
}