We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleReplacing and additive horizontal gene transfer in Streptococcus.AuthorsChoi SC; Rasmussen MD; Hubisz MJ; Gronau I; Stanhope MJ; Siepel APublicationMolecular biology and evolution, 2012, Vol 29, Issue 11, p3309ISSN1537-1719Publication typearticleDOI10.1093/molbev/mss138