SUHAM TOWFIQ AMEEN; , EMAN THIAB AHMED AL SAMARAEE. Determination of Dextromethorphan Hydreobromide in pharmaceutical preparation using derivative spectrophotometric method. Tikrit Journal of Pure Science, [S. l.], v. 22, n. 10, p. 99–109, 2023. DOI: 10.25130/tjps.v22i10.895. Disponível em: https://tjpsj.org/index.php/tjps/article/view/895. Acesso em: 17 jun. 2025.