text_1: "The only thing I need to look up . . . 12-year-old girl with hepatitis C, for 6 months has been on interferon and ribavirin and in the last two months her enzymes have been essentially normal but on the last test, the enzymes jumped from about 40 to about 400.  Now we have pegylated interferon.  "Do I try pegylated interferon with ribavirin?"
text_2: Is pegylated interferon better for Hepatitis C?