REDDY DV, RAO AS. PREPARATION AND EVALUATION OF NANOSPONGES BASED TRAMADOL HCL C/R TABLETS USING DESIGN OF EXPERIMENT. Int J App Pharm [Internet]. 2022 May 7 [cited 2024 Apr. 27];14(3):86-94. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/44278