Bhati KN, Mashru R. Development and Validation of Extractive Spectrophotometric Method for Estimation of Hydroxychloroquine Sulphate by using Smartphone Application. J. Drug Delivery Ther. [Internet]. 2022 May 15 [cited 2026 Jan. 27];12(3):49-56. Available from: https://jddtonline.info/index.php/jddt/article/view/5460