Characterization of commercial isotretinoin products by laser diffraction and thermal behavior analysis - Guimarães, Carla Aiolfi; Guillen, Joyce Santos Quenca; Menaa, F.; Matos, Jivaldo do Rosário; Mercuri, Lucildes Pita; Braz, A. B.; Rossetti, F. C.; Singh, Anil Kumar; Kedor-Hackmann, Erika Rosa Maria; Santoro, Maria Inês Rocha Miritello (International Congress on Chemical Measurements, Traceability and Quality Assurance, 2007)