HPLC Method for Determination of Rifaximin in Human Plasma Using Tandem Mass Spectrometry Detection. The East and Central African Journal of Pharmaceutical Sciences, [S. l.], v. 13, n. 3, p. 78–84, 2018. Disponível em: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/113. Acesso em: 14 jun. 2026.