PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 18248380-0 2008 Changes in the Th1/Th2 ratio during a 24-week course of an interferon alpha-2b plus ribavirin combination therapy for patients with chronic hepatitis C. BACKGROUND AND AIM: It has been reported that immunological factors, such as the T-helper cell (Th)1/Th2 ratio, play a part in the mechanisms for the antihepatitis C virus (HCV) effect of the interferon (IFN) alpha-2b plus ribavirin combination therapy. Ribavirin 376-385 interferon alpha 2 Homo sapiens 59-78