Petreska Stanoeva, J., Bagashovska, D., & 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), 229–243. https://doi.org/10.20450/mjcce.2012.41