TY - RPRT TI - Sialic acid ligands of CD28 block co-stimulation of T cells AU - Edgar, L. J. AU - Thompson, A. J. AU - Vartabedian, V. F. AU - Kikuchi, C. AU - Woehl, J. L. AU - Teijaro, J. R. AU - Paulson, J. C. PY - 2021 DO - 10.1101/2021.02.22.432333 UR - https://www.biorxiv.org/content/10.1101/2021.02.22.432333v1 ID - 10.1101/2021.02.22.432333 ER -