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Alnouti Y, Srinivasan K, Waddell D, Bi H, Kavetskaia O, Gusev AI. Development and application of a new on-line SPE system combined with LC-MS/MS detection for high throughput direct analysis of pharmaceutical compounds in plasma. J Chromatogr A. 2005 Jul 08;1080(2):99–106. doi: 10.1016/j.chroma.2005.04.056. PMID: 16008047. |