HASHEMIAN, SAEEDEH, and MOHAMMAD HOSIEN MOSLEMINE. “Interaction Energies of Neurotransmitter With Cations-(Dopamine- Li+, Na+, K+): Density Functional Theory Calculations”. Asian Journal of Chemistry, vol. 22, no. 6, May 2010, pp. 4641-7, https://asianpubs.org/index.php/ajchem/article/view/16773.