Determination of parabens in human urine by optimal ultrasound-assisted emulsification microextraction and on-line acetylation gas chromatography–mass spectrometry

2017 ◽  
Vol 1058 ◽  
pp. 14-18 ◽  
Author(s):  
Zhou Hui-Ting ◽  
Erica M.C. Ding ◽  
Wang-Hsien Ding
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