Welzel TM, Reddy KR, Flamm SL, Denning J, Lin M, Hyland R, Pang PS, McHutchison JG, Charlton M, Everson GT, Zeuzem S, Afdhal N. On-treatment HCV RNA in patients with varying degrees of fibrosis and cirrhosis in the SOLAR-1 trial. Antivir Ther. 2016; 21(6):541-546.