Stereoselective analysis of labetalol in human plasma by LC-MS/MS: application to pharmacokinetics - Carvalho, Teresa Maria de Jesus Ponte; Cavalli, Ricardo de Carvalho; Marques, Maria Paula; Cunha, Sérgio Pereira da; Baraldi, Cláudia de Oliveira; Lanchote, Vera Lúcia (Chirality, 2009)