“Isocratic Reversed-Phase HPLC Assay for the Simultaneous Estimation of Duloxetine Hydrochloride and Derivatized Pregabalin in Combined Pharmaceutical Formulations: Research Article”. Journal of Pharma Insights and Research, vol. 4, no. 4, Aug. 2026, pp. 097-05, https://doi.org/10.69613/7f5qc597.