Simultaneous determination of lamivudine and zidovudine in binary mixtures using derivative spectrophotometry - Pergamo, Amanda Marino; Alves, João Marcel Porto; García, Pedro López; Kedor-Hackmann, Erika Rosa Maria; Santoro, Maria Inês Rocha Miritello; Aurora-Prado, Maria Segunda (AOAC International Annual Meeting & Exposition, 2008)