Genetic variation in IL28B and spontaneous clearance of hepatitis C virus

David L. Thomas, Chloe L. Thio, Maureen P. Martin, Ying Qi, Dongliang Ge, Colm Ohuigin, Judith Kidd, Kenneth Kidd, Salim I. Khakoo, Graeme Alexander, James J. Goedert, Gregory D. Kirk, Sharyne M. Donfield, Hugo R. Rosen, Leslie H. Tobler, Michael P. Busch, John G. McHutchison, David B. Goldstein, Mary Carrington