<unk>  can refer to:<unk> -2a<unk> -2b
Pegylated<unk> -beta-1a
Pegylated interferon alpha
Pegylated interferon alfa-2b
Pegylated interferon-alpha-2a
Pegylated interferon alfa-2a
Peginterferon Beta-1a
Interferon alfa-2b
Interferon alfa-2a
Ribavirin