Development and validation of a LC-MS/MS method based on a new 96-well Hybrid-SPE™-precipitation technique for quantification of CYP450 substrates/metabolites in rat plasma - Ardjomand-Woelkart, K; Kollroser, M; Li, L; Derendorf, H; Butterweck, V; Bauer, R (Anal Bioanal Chem, 2011)