Induction of the 2B9 antigen/dipeptidyl peptidase IV/CD26 on human natural killer cells by IL-2, IL-12 or IL-15 - Yamabe, T; Takakura, K; Sugie, K; Kitaoka, Y; Takeda, S; Okubo, Y; Teshigawara, K; Yodoi, J; Hori, T (Immunology, 1997)