Temperature-assisted ionic liquid dispersive liquid-liquid microextraction combined with high performance liquid chromatography for the determination of PCBs and PBDEs in water and urine samples Aijun Zhao; Xuedong Wang; Meiping Ma; Wenwei Wang; Hailuo Sun; Zijun Yan; Zhengti Xu; Huili Wang Microchimica Acta 177(1-2): 229-236 2012 10.1007/s00604-012-0776-7 https://eurekamag.com/research/064/250/064250939.php