TY - SER AU - Vidal,Lorena TI - Sensitive determination of free benzophenone-3 in human urine samples based on an ionic liquid as extractant phase in single-drop microextraction prior to liquid chromatography analysis KW - BENZOPHENONE-3 KW - IF N1 - YI2008 M05 D01 Sources - Journal of Chromatography A Sources - 1174 (1-2) 2007 : 95-103 ISSN - 0021-9673 ER -