VIRONET-C real life experience of resistance-guided retreatment in HCV infected patients who previously failed a NS5A inhibitor-containing regimen. (February 2020) - Di Maio, V.C.; Aragri, M.; Masetti, C.; Paolucci, S.; Bruzzone, B.; Degasperi, E.; Barbaliscia, S.; Pollicino, T.; Minichini, C.; Calvaruso, V.; Rendina, M.; Cento, V.; et al.