We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRole of CD4 in normal immunity and HIV infection.AuthorsLifson JD; Engleman EGPublicationImmunological reviews, 1989, Vol 109, p93ISSN0105-2896Publication typearticleDOI10.1111/j.1600-065x.1989.tb00021.x