Spectrophotometric estimation of ambroxol hydrochloride and cetirizine hydrochloride in tablets. Asian Journal of Pharmaceutics (AJP), [S. l.], v. 2, n. 3, 2014. DOI: 10.22377/ajp.v2i3.210. Disponível em: https://www.asiapharmaceutics.info/index.php/ajp/article/view/210. Acesso em: 14 apr. 2026.