GAZDÍK, František et al. High virologic sustained response for former young intravenous drug users with chronic hepatitis C treated by pegylated interferon-α plus ribavirin. In Bratislavské lekárske listy, 2009, vol. 110, no. 2, s. 77-84. ISSN 0006-9248. Bratislava : Slovak Academic Press, 2009.