A.J. Mahmood, A., and Ahmed. “In Vitro Inhibition of Human Blood Cholinesterases and Protection Against Chlorpyriphos (organophosphate) by Weak Anticholinesterase Drugs”. Iraqi Journal of Pharmacy, vol. 11, no. 1, June 2011, pp. 18-29, https://rjps.uomosul.edu.iq/index.php/iphr/article/view/21439.