Dendritic cells initiate a two stage mechanism for T lymphocyte proliferation
Austyn, J.M., Steinman, R.M., Weinstein, D.E., Granelli-Piperno, A., and Palladino, M.A. Dendritic cells initiate a two stage mechanism for T lymphocyte proliferation. J. Exp. Med. 157: 1101-1115, 1983