New England Journal of Medicine, Vol. 373, No 9 (2015) pp. 834-844 Recercat. Dipósit de la Recerca de Catalunya instname New England Journal of Medicine New England Journal of Medicine, Massachusetts Medical Society, 2015, 373 (9), pp.834-844. ⟨10.1056/NEJMoa1413687⟩ New England Journal of Medicine, 373(9), 834-844. Massachussetts Medical Society Dipòsit Digital de la UB Universidad de Barcelona Galie, N, Barbera, J A, Frost, A E, Ghofrani, H A, Hoeper, M M, McLaughlin, V V, Peacock, A J, Simonneau, G, Vachiery, J L, Grunig, E, Oudiz, R J, Vonk-Noordegraaf, A, White, R J, Blair, C, Gillies, H, Miller, K L, Harris, J H N, Langley, J & Rubin, L J 2015, ' Initial Use of Ambrisentan plus Tadalafil in Pulmonary Arterial Hypertension ', New England Journal of Medicine, vol. 373, no. 9, pp. 834-844 . https://doi.org/10.1056/NEJMoa1413687