Esmailian, Mehrdad, and Mehdi Keshavarz. “Synergistic Effects of Citalopram and Morphine in the Renal Colic Pain Relief; A Randomized Clinical Trial”. Archives of Academic Emergency Medicine, vol. 2, no. 1, Nov. 2018, pp. 26-29, doi:10.22037/aaem.v2i1.18.