We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMagnitude and sign epistasis among deleterious mutations in a positive-sense plant RNA virus.AuthorsLalić, J; Elena, S FPublicationHeredity, 2012, Vol 109, Issue 2, p71ISSN0018-067xPublication typearticleDOI10.1038/hdy.2012.15