Raveendra Babu, V. et al. 2014. A New Gradient Liquid Chromatographic Method for Simultaneous Estimation of Tenofovir Disoproxil Fumarate, Cobicistat, Emtricitabine and Elvitegravir in Bulk Drug and Tablet Dosage Form. Asian Journal of Chemistry. 26, 18 (Sep. 2014), 6233–6237. DOI:https://doi.org/10.14233/ajchem.2014.17196.