Prospective multicenter study of eligibility for antiviral therapy among 4,084 U.S. veterans with chronic hepatitis C virus infection. - Bini EJ; Bräu N; Currie S; Shen H; Anand BS; Hu KQ; Jeffers L; Ho SB; Johnson D; Schmidt WN; King P; Cheung R; et al. (The American journal of gastroenterology, 2005)