Bayarsaikhan, A., Ganbaatar, E., Avirmed, T., Ganbat, O., Ariyasuren, K. and Enkhtuya, K. (2019) “Attention-Deficit Hyperactivity in Elementary School Children in Ulaanbaatar: Incidence, Subtypes and Influencing Factors”, Central Asian Journal of Medical Sciences, 5(2), pp. 98–106. doi: 10.24079/cajms.2019.06.004.