A reliable quantitative method for the analysis of phenolic compounds in Brazilian propolis by reverse phase high performance liquid chromatography - Sousa, João P. B. de; Bueno, Paula C. P.; Gregório, Luiz E.; Silva Filho, Ademar A. da; Furtado, Niege Araçari Jacometti Cardoso; Sousa, Márcia L. de; Bastos, Jairo Kenupp (Journal of Separation Science, 2008)