P J. Lucas, et.al., Naive CD28-deficient T cells can initiate but not sustain an in vitro antigen-specific immune response., Journal of immunology (Baltimore, Md. : 1950), 1995, 154
P J. Lucas, et.al., Naive CD28-deficient T cells can initiate but not sustain an in vitro antigen-specific immune response., Journal of immunology (Baltimore, Md. : 1950), 1995, 154