“ Development, Characterization and Antioxidant Activity of Polysorbate Based O W Emulsion Containing Polyphenols Derived from Hippophae Rhamnoides and Cassia Fistula ”. Brazilian Journal of Pharmaceutical Sciences, vol. 49, nº 4, dezembro de 2013, p. 763-7, https://doi.org/10.1590/S1984-82502013000400016.