Potentiometric Study of Phenytoin – PVC Membrane Electrodes for Determination of Phenytoin in pharmaceutical preparations. Al-Nahrain Journal of Science, [S. l.], v. 18, n. 1, p. 79–87, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/354. Acesso em: 9 apr. 2025.