Critical cytoplasmic region of the interleukin 6 signal transducer gpl30 is conserved in the cytokine receptor family - Murakami, M; Namzaki, M; Masahiko, H; Yawata, H; Yasukawa, K; Hamaguchi, M; Taga, T; Kishimoto, T (Proc Nad Acad Sci USA, 1991)