Preparation and analysis of sunscreens containing UVA, UVB and infrared filters - Santoro, Maria Inês Rocha Miritello; Silva, Fátima Cristina Franco; Matos, Jivaldo do Rosário; Mercuri, Lucildes Pita; Kedor-Hackmann, Erika Rosa Maria (AOAC International Annual Meeting and Exposition, 1999)