The Pab Rb x human GDF9 (Growth Differentiation Factor 9, Growth/Differentiation Factor 9, GDF-9) (Biotin) antibody from United States Biological is a Rabbit Polyclonal antibody to GDF9. This antibody recognizes Homo Sapiens, and Human antigen. The Pab Rb x human GDF9 (Growth Differentiation Factor 9, Growth/Differentiation Factor 9, GDF-9) (Biotin) antibody has been shown to work in the following applications: Western Blot.