Mojtahedzadeh, Mojtaba, et al. “Heparin Resistance During and Post-Intravenous Nitroglycerin Infusion: Heparin and Nitroglycerin Interaction”. Iranian Journal of Pharmaceutical Sciences, vol. 1, no. 2, June 2005, pp. 77-80, doi:10.22037/ijps.v1.39446.