Pegylated interferon alfa-2B plus ribavirin in patients with chronic hepatitis C: a trial in prior nonresponders to interferon monotherapy or combination therapy, and in combination therapy relapsers: Ira M Jacobson, Mark W Russo, Weill Medical College of Cornell University, New York, NY; Robert S Brown, Columbia College of Physicians and Surgeons, New York, NY; Edward Lebovics, New York Medical College, Valhalla, NY; Albert Min, Mount Sinai, New York, NY; Stephen Esposito, NYH-Queens, Flushing, NY; Hillel Tobias, NYU Med Ctr, New York, NY; Frank Klion, Mount Sinai, New York, NY; Olga Pizov, Weill Medical College of Cornell University, New York, NY; Cliff Brass, Schering-Plough, Kenilworth, NJ; NY PEG-Intron Study Group, New York, NY