Development and validation of sensitive methods for determination of sibutramine hydrochloride monohydrate and direct enantiomeric separation on a protein-based chiral stationary phase - Singh, Anil Kumar; García, Pedro López; Gomes, Fábio Pereira; Yano, Helena Miyoco; Auricchio, Mariangela Tirico; Kedor-Hackmann, Erika Rosa Maria; Santoro, Maria Inês Rocha Miritello (Journal of AOAC International, 2008)