Askin, H., Yilmaz, B., Bakirci, S., & Ayar, A. (2018). Simultaneous determination of α-amyrin and β-sitosterol in Centranthus longiflorus Stev. Subsp. longiflorus Stev and Iris taochia Woronow ex Grossh by GC-MS method. Progress in Nutrition, 20(1-S), 209–217. https://doi.org/10.23751/pn.v20i1-S.6744