. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "il6_human"^^ . "IL6"^^ . "CTL differentiation factor"^^ . "B-cell stimulatory factor 2"^^ . "Hybridoma growth factor"^^ . "Interferon beta-2"^^ . "IFNB2"^^ . . . "Interleukin-6"^^ .