Kuna, Mangamma, and Gowri Sankar Dannana. “Stability-Indicating RP-HPLC Method for Simultaneous Quantification of Ombitasvir, Paritaprevir and Ritonavir in Tablet Dosage Form”. Asian Journal of Chemistry, vol. 30, no. 6, Apr. 2018, pp. 1277-83, doi:10.14233/ajchem.2018.21215.