Israa Talib Humeidy 2023. Spectrophotometric method for Determination of oxymetazoline, HCl in a Pharmaceutical formulation using 2,4 - dinitrophenylhydrazine. Tikrit Journal of Pure Science. 20, 2 (2023), 88–96. DOI:https://doi.org/10.25130/tjps.v20i2.1165.