Daragan, G.M., Krushinska, T.Y., Stepanskiy, D.O., Demchyshyna, I.V. and Kolesnikova, I.P. 2018. Topical issues of vaccination and epidemiological surveillance over measles and rubella in Ukraine. Medicni perspektivi. 23, 1(part1) (Apr. 2018), 38–43. DOI:https://doi.org/10.26641/2307-0404.2018.1(part1).127206.