A Study of PEGASYS (Peginterferon Alfa-2a) Plus Ribavirin in Patients With Chronic Hepatitis C (CHC), Genotype 2 or 3
Conditions
Interventions
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: peginterferon alfa-2a [Pegasys]
- DRUG: ribavirin
- DRUG: ribavirin
Sponsor
Hoffmann-La Roche