Ning, J. et al. 2014. Separation/Preconcentration and Determination of Scutellarin in Urine by Vortex-Assisted Surfactant-Enhanced Emulsification Microextraction and High Performance Liquid Chromatography. Asian Journal of Chemistry. 27, 1 (Dec. 2014), 43–46. DOI:https://doi.org/10.14233/ajchem.2015.16668.