“Simultaneous Estimation of Cetirizine Hydrochloride, Phenylpropanolamine Hydrochloride and Paracetamol by RP-HPLC Method”. International Journal of Pharmacy and Life Sciences 4, no. 11 (November 30, 2013): 3122–3132. Accessed December 15, 2025. http://ijplsjournal.com/index.php/ijpls/article/view/579.