Stability-indicating methods for determination of metformin hydrochloride in the presence of its degradation products formed after stress conditions - Galdos, Angel Arturo Gaona; Aurora-Prado, Maria Segunda; Santoro, Maria Inês Rocha Miritello; Kedor-Hackmann, Erika Rosa Maria (Latin-American Symposium on Biotechnology, Biomedical, Biopharmaceutical, and Industrial Applications of Capillary Electrophoresis and Microchip Technology (LACE), 2010)