Second Derivative Spectrophotometric Determination of Phenytoin in Pharmaceutical Preparations. Al-Nahrain Journal of Science, [S. l.], v. 19, n. 1, p. 36–42, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/250.. Acesso em: 1 may. 2024.