TY - RPRT TI - Evolutionarily conserved function of CD28 in alpha beta T cell activation. AU - T P Arstila AU - O Vainio AU - O Lassila PY - 1994 DO - 10.1111/j.1365-3083.1994.tb03476.x UR - https://pubmed.ncbi.nlm.nih.gov/8091139/ ID - 8091139 ER -