Rapid and Sensitive Analysis of Hormones and Other Emerging Contaminants in Groundwater Using Ultrasound-Assisted Emulsification Microextraction with Solidification of Floating Organic Droplet Followed by GC-MS Detection. - Kotowska, Urszula; Kapelewska, Justyna; Kotowski, Adam; Pietuszewska, Ewelina (Water (20734441), 2019)