Jamil, M.A., Aslam, M.S., Sadiq, M.A., Wasim, M., Santiago, C.D., Javed, O. and Mirza, A.S. 2021. Method development and estimation of phenylenediamine in gastric contents, blood and urine. Current Trends in Biotechnology and Pharmacy. 15, 1 (Feb. 2021), 22–33. DOI:https://doi.org/10.5530/ctbp.2021.1.3.