Priyanka Vallabh Deulkar and Mukthinuthalapati Mathrusri Annapurna 2025. Method development and validation of a new RP-UFLC method for the simultaneous estimation of Sofosbuvir and Velpatasvir in tablet dosage form using an internal standard. The Bioscan. 20, 4 (Dec. 2025), 1377–1389.