using limiting dilution analysis to quantitate helper-t-cell accumulation at graft sites , immunohistologic analysis of graft reactivity with the hev-specific monoclonal antibody meca 325 , and ex vivo lymphocyte-endothelial adhesion assays with graft tissues , we obtained evidence to suggest that hev-like endothelia may develop at a graft site but that the process whereby lymphocytes accumulate at a graft site is more complex than was initially expected .
C0018894
helper-t-cell
C0024296
lymphocyte