Suham Towfiq Ameen, و , Eman Thiab Ahmed Al Samaraee. 2023. "Determination of Dextromethorphan Hydreobromide in Pharmaceutical Preparation Using Derivative Spectrophotometric Method". Tikrit Journal of Pure Science 22 (10):99-109. https://doi.org/10.25130/tjps.v22i10.895.