HUSSEIN, T. M.; SHAKKOR , S. J. Spectrophotometric Determination of Phenylephrine Hydrochloride in Pharmaceutical Formulations Using an Oxidative Coupling Reaction. Central Asian Journal of Medical and Natural Science, [S. l.], v. 6, n. 4, p. 2170–2181, 2025. DOI: 10.51699/cajmns.v6i4.2946. Disponível em: https://cajmns.casjournal.org/index.php/CAJMNS/article/view/2946. Acesso em: 17 apr. 2026.