Drupal-Bibcite0<style face="normal" font="default" size="100%">The impact of treatment with tumour necrosis factor-alpha antagonists on the course of chronic viral infections: a review of the literature.</style><style face="normal" font="default" size="100%">The impact of treatment with tumour necrosis factor-alpha antagonists on the course of chronic viral infections: a review of the literature.</style>