“Construction of Coated Selective Electrode With Copper Oxide Nanoparticles and Its Comparison With the Conventional Selective Electrode for Determination of Cyproheptadine Hydrochloride”. Journal of Pharmaceutical Negative Results (September 22, 2022): 903–908. Accessed June 5, 2026. https://pnrjournal.com/index.php/home/article/view/712.