The Pab Rb x human IL9 (Cytokine P40, T-cell Growth Factor P40, Interleukin-9, IL-9, IL9, Cytokine P40) (APC) antibody from United States Biological is a Rabbit Polyclonal antibody to IL9, and Interleukin 9. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human IL9 (Cytokine P40, T-cell Growth Factor P40, Interleukin-9, IL-9, IL9, Cytokine P40) (APC) antibody has been shown to work in the following applications: Western Blot.