Amal H Mhemeed. “Spectrophotometric Method for the Determination of Benzocaine by Cerium Ammonium Sulphate With Promethazine Hydrochloride in Pure and Pharmaceuticals Preparation”. International Journal of Research in Pharmaceutical Sciences 10, no. 2 (May 1, 2019): 1420–1423. Accessed December 27, 2024. https://ijrps.com/home/article/view/3897.