Stability-Indicating Method Development and Validation for Simultaneous Estimation of Ombitasvir, Paritaprevir, and Ritonavir in Formulation by Ultra Performance Liquid Chromatography. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 12, n. 5, p. 457–463, 2020. DOI: 10.25004/IJPSDR.2020.120505. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/1396.. Acesso em: 15 oct. 2025.