M.R. Raauf, Ayad. 2023. “Spectrophotometric Determination of Trimethoprim in Pure Form and Pharmaceutical Formulations With Metol and Potassium Hexacyanoferrate (ΙΙΙ)”. Tikrit Journal of Pharmaceutical Sciences 8 (2):217-28. https://doi.org/10.25130/tjphs.2012.8.2.10.217.228.