Open Heart Kumsars, I, Holm, N R, Niemelä, M, Erglis, A, Kervinen, K, Christiansen, E H, Maeng, M, Dombrovskis, A, Abraitis, V, Kibarskis, A, Trovik, T, Latkovskis, G, Sondore, D, Narbute, I, Terkelsen, C J, Eskola, M, Romppanen, H, Laine, M, Jensen, L O, Pietila, M, Gunnes, P, Hebsgaard, L, Frobert, O, Calais, F, Hartikainen, J, Aarøe, J, Ravkilde, J, Engstrøm, T, Steigen, T K, Thuesen, L & Lassen, J F 2020, ' Randomised comparison of provisional side branch stenting versus a two-stent strategy for treatment of true coronary bifurcation lesions involving a large side branch : The Nordic-Baltic Bifurcation Study IV ', Open Heart, vol. 7, no. 1, e000947 . https://doi.org/10.1136/openhrt-2018-000947 Nordic Baltic bifurcation study group 2020, ' Randomised comparison of provisional side branch stenting versus a two-stent strategy for treatment of true coronary bifurcation lesions involving a large side branch : the Nordic-Baltic Bifurcation Study IV ', Open Heart, vol. 7, no. 1, pp. e000947 . https://doi.org/10.1136/openhrt-2018-000947 Kumsars, I, Holm, N R, Niemelä, M, Erglis, A, Kervinen, K, Christiansen, E H, Maeng, M, Dombrovskis, A, Abraitis, V, Kibarskis, A, Trovik, T, Latkovskis, G, Sondore, D, Narbute, I, Terkelsen, C J, Eskola, M, Romppanen, H, Laine, M, Jensen, L O, Pietila, M, Gunnes, P, Hebsgaard, L, Frobert, O, Calais, F, Hartikainen, J, Aarøe, J, Ravkilde, J, Engstrøm, T, Steigen, T K, Thuesen, L, Lassen, J F & Nordic Baltic bifurcation study group 2020, ' Randomised comparison of provisional side branch stenting versus a two-stent strategy for treatment of true coronary bifurcation lesions involving a large side branch : the Nordic-Baltic Bifurcation Study IV ', Open Heart, vol. 7, no. 1, e000947 . https://doi.org/10.1136/openhrt-2018-000947 Open Heart, Vol 7, Iss 1 (2020) Kumsars, I, Holm, N R, Niemelä, M, Erglis, A, Kervinen, K, Christiansen, E H, Maeng, M, Abraitis, V, Kibarskis, A, Trovik, T, Latkovskis, G, Sondore, D, Narbute, I, Terkelsen, C J, Eskola, M, Romppanen, H, Laine, M, Jensen, L O, Pietila, M, Gunnes, P, Hebsgaard, L, Frobert, O, Calais, F, Hartikainen, J, Aarøe, J, Ravkilde, J, Engstrøm, T, Steigen, T K, Thuesen, L, Lassen, J F & Nordic Baltic bifurcation study group 2020, ' Randomised comparison of provisional side branch stenting versus a two-stent strategy for treatment of true coronary bifurcation lesions involving a large side branch : the Nordic-Baltic Bifurcation Study IV ', Open Heart, vol. 7, no. 1, e000947 . https://doi.org/10.1136/openhrt-2018-000947