R K, V. ., S K, K., Vaijayanthi, & ZEA, B. . (2010). Development of RP-HPLC method for the analysis of levocetirizine. 2HCl and ambroxol. HCl in combination and its application . International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), 3(1), 893–896. https://doi.org/10.37285/ijpsn.2010.3.1.15