We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe known unknowns of antigen processing and presentation.AuthorsVyas JM; Van der Veen AG; Ploegh HLPublicationNature reviews. Immunology, 2008, Vol 8, Issue 8, p607ISSN1474-1741Publication typearticleDOI10.1038/nri2368