TREFI, Saleh. Simultaneous Determination of Dextromethorphan and Promethazine in Pharmaceutical Syrups by Rapid HPLC Method. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), [S. l.], v. 8, n. 2, p. 2828–2834, 2015. DOI: 10.37285/ijpsn.2015.8.2.5. Disponível em: https://ijpsnonline.com/index.php/ijpsn/article/view/772. Acesso em: 19 nov. 2024.