2020. 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. 12, 5 (Sep. 2020), 457–463. DOI:https://doi.org/10.25004/IJPSDR.2020.120505.