Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA novel role for CD28 in thymic selection: elimination of CD28/B7 interactions increases positive selection.AuthorsVacchio, Melanie S.; Williams, Joy A.; Hodes, Richard J.PublicationEuropean Journal of Immunology, 2005, Vol 35, Issue 2, p418ISSN0014-2980Publication typeArticleDOI10.1002/eji.200424918