%0 Journal Article %T The Efficacy and Safety of 12 Weeks of Sofosbuvir and Ledipasvir versus Sofosbuvir, Ledipasvir, and Ribavirin in Patients with Chronic Hepatitis C, Genotype 1, Who Have Cirrhosis and Have Failed Prior Therapy: A Systematic Review and Meta-Analysis %A Carol Fenton %A Fiona Clement %A Karen L. Tang %A Matthew James %A Paul Ronksley %A William Stokes %J Archive of "Canadian Journal of Gastroenterology & Hepatology". %D 2017 %R 10.1155/2017/6468309 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5358456/