TY - RPRT TI - CD28/CTLA-4 receptor structure, binding stoichiometry and aggregation during T-cell activation. AU - P S Linsley AU - J Ledbetter AU - R Peach AU - J Bajorath DO - 10.1016/0923-2494(96)80246-x UR - https://pubmed.ncbi.nlm.nih.gov/8525042/ ID - 8525042 ER -