Sirhan AY, AlRashdan Y, Abbasi NU, Mostafa A, Abudayeh Z, Talhouni A, Al-Ebini Y. Optimization and Validation of HPLC-UV Method for the Determination of Vardenafil, Sildenafil, and Tadalafil in Honey-Mixed Herbal Sachets Using a Design of Experiment. Jordan j. pharm. sci. [Internet]. 2023 Mar. 25 [cited 2024 Apr. 20];16(1):148-62. Available from: http://jjournals.ju.edu.jo/index.php/jjps/article/view/1075