%0 Journal Article %T Extraction and pre‐concentration of parabens in liquid pharmaceutical samples by dispersive liquid–liquid microextraction based on deep eutectic solvents %A Razavi, Nourolhoda %A F. Foroutan %A Sahebian, Samaneh %A Vahdati Khaki, Jalil %J Biomedical Chromatography %@ 0269-3879 %D 2022