Determination of Trace Leaching Phthalate Esters in Water and Urine from Plastic Containers by Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry. - Lee, Maw-Rong; Lai, Feng-Ying; Dou, Jianpeng; Lin, Keh-Liang; Chung, Li-Wen (Analytical Letters, 2011)