No beneficial effect of all-trans retinoic acid in previous non-responder patients with chronic hepatitis C: the ATRACTION study, a phase II randomised trial.
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Dig Liver Dis. 2013 Apr;45(4):323-9. doi: 10.1016/j.dld.2012.11.006. Epub 2012 Dec 13.
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PMID: 23245590
Clinical Trial.