LFA-1-deficient mice show normal CTL responses to virus but fail to reject immunogenic tumor. by Schmits, R, Kündig, T, Baker, D, Shumaker, G, Simard, J, Duncan, G, Wakeham, A, Shahinian, A, van der Heiden, A, Bachmann, M, Ohashi, P, Mak, T, Hickstein, D