Abdul Basith, et al. “Development and Validation of RP-HPLC Method for Simultaneous Estimation of Bilastine and Montelukast in Combined Dosage Form”. International Journal of Allied Medical Sciences and Clinical Research, vol. 10, no. 4, Oct. 2022, pp. 388-96, doi:10.61096/ijamscr.v10.iss4.2022.388-396.