Petreska Stanoeva, J., Bagashovska, D. and Stefova, M. 2012. Characterization of urinary bioactive phenolic metabolites excreted after consumption of a cup of mountain tea (Sideritis scardica) using liquid chromatography – tandem mass spectrometry. Macedonian Journal of Chemistry and Chemical Engineering. 31, 2 (Dec. 2012), 229–243. DOI:https://doi.org/10.20450/mjcce.2012.41.