none, . none ., 2018. Central Europe. Global Heart, 13(3), pp.219–223. DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none none. Central Europe. Global Heart. 2018;13(3):219–23. DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none, . none . (2018). Central Europe. Global Heart, 13(3), 219–223. DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none none, ‘Central Europe’ (2018) 13 Global Heart 219 DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none, none. 2018. “Central Europe”. Global Heart 13 (3): 219–23. DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none, none. “Central Europe”. Global Heart 13, no. 3 (2018): 219–23. DOI: http://doi.org/10.1016/j.gheart.2018.09.522

none, . none .. “Central Europe”. Global Heart, vol. 13, no. 3, 2018, pp. 219–23. DOI: http://doi.org/10.1016/j.gheart.2018.09.522