Development And Validation of a RP-HPLC Method For Simultaneous Estimation of Risperidone and Trihexyphenidyl Hydrochloride in Pharmaceutical Formulations: Research Article. JOPIR [Internet]. 2024 Dec. 5 [cited 2025 Nov. 23];2(6):115-21. Available from: https://jopir.in/index.php/journals/article/view/279