Secondary adjunction of ribavirin after six months of alpha interferon therapy increases the sustained response rate in naive patients with chronic hepatitis C: Claire Wartelle-Bladou, CH d'Aix-en-Provence, Aix-en-Provence France; Jean-Pierre Arpurt, CH d'Avingnon, Avignon France; Andre Glibert, CH de Tarbes, Tarbes France; Christophe Renou, CH d'Hyeres, Hyeres France; Alexandre Pariente, CH de Pau, Pau France; Didier Pillon, CH de Bourg-en-Bresse, Bourg-en-Bresse France; Magali Picon, CH d'Aix-en-Provence, Aix-en-Provence France; Bernard Nalet, CH de Montelimar, Montelimar France; Michel Chousterman, CHIC de Creteil, Creteil France; Denis Grasset, CH de Montauban, Montauban France