2876681 IFNR IFN receptor 19 2876678 IFNR interferon receptor 19 2876674 IFN-r interferon-r 11 2876675 IFN-R alpha-interferon 1 2876680 IFN-R IFN-resistant 1 2876676 IFN-R IFN-ribavirin 1 2876679 IFN-R interferon alfa-2b and ribavirin 1 2876677 IFN-R interferon-responsive 1