Simeprevir plus sofosbuvir with / without ribavirin in HCV genotype 1 prior null-responder / treatment-naive patients (Cosmos study): primary endpoint (SVR12) results in patients with metavir F3–4 (Cohort 2) - Lawitz, E; Ghalib, R; Rodriguez-Torres, M (Journal of Hepatology, 2014)
et al.