Omer, Lazeeza Sattar, and Rasul Jameel Ali. “Assay of Orphenadrine Citrate in Pharmaceuticals via Extraction-Spectrophotometric Method”. Iraqi Journal of Science 59, no. 3A (July 29, 2018): 1152-1161. Accessed December 5, 2021. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/372.