Patients younger than forty years old with hepatitis C virus genotype-1 chronic infection had treatment responses similar to genotype-2 infection and not relatedto interleukin-28B polymorphism Journal title: Annals of Hepatology Authors: Lin Chun-Yen, Sheen I-Shyan, Jeng Wen-Juei, Huang Chang-Wen, Chen Ji-Yih Subject(s):