Spectrophotometric Determination of para aminosalicylic acid in Serum Blood and Urin By Oxidative Coupling With 4-Amino Antipyrine and Study The Inhibition of Aldose Reductase Enzyme. (2023). Tikrit Journal of Pure Science, 21(4), 67-72. https://doi.org/10.25130/tjps.v21i4.1054