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	1.	Bioanalytical hydrophilic interaction chromatography: recent challenges, solutions and applications. [electronic resource] by Xu, Raymond Naxing Rieser, Matthew J El-Shourbagy, Tawakol A Producer: 20110603 In: Bioanalysis vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Simultaneous LC-MS/MS quantitation of a highly hydrophobic pharmaceutical compound and its metabolite in urine using online monolithic phase-based extraction. [electronic resource] by Xu, Raymond Naxing Boyd, Brian Rieser, Matthew J El-Shourbagy, Tawakol A Producer: 20080220 In: Journal of separation science vol. 30 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Recent advances in high-throughput quantitative bioanalysis by LC-MS/MS. [electronic resource] by Xu, Raymond Naxing Fan, Leimin Rieser, Matthew J El-Shourbagy, Tawakol A Producer: 20070823 In: Journal of pharmaceutical and biomedical analysis vol. 44 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Highly sensitive LC-MS-MS analysis of a pharmaceutical compound in human plasma using monolithic phase-based on-line extraction. [electronic resource] by Xu, Raymond Naxing Vaca, Phillip Rieser, Matthew J El-Shourbagy, Tawakol A Producer: 20090814 In: Journal of chromatographic science vol. 47 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)