M. J. Radoičić, B. V. Božović, K. D. P. Ilić, S. M. Janković, J. Z. Anđelković, and M. J. Kostić, “Pharmacoeconomic Aspects of Low Back Pain Treatment: Cost of Illness Study in the Republic of Serbia”, Acta Med Port, vol. 32, no. 4, pp. 272–278, Apr. 2019.