Determination of rifampicin in hanks buffer by high performance liquid chromatography (HPLC) and its use in permeability studies - Gonçalves, José Eduardo; Soares, Gerson Alberto; Fernandes, Mariane Ballerini; Scotti, Marcus Tullius; Storpirtis, Silvia (International Symposium on Pharmaceutical and Biomedical Analysis, 2011)