The Sialylated Lewis a / CA 19-9 Monoclonal Antibody from LSBio is a Mouse Monoclonal antibody. This antibody recognizes Homo Sapiens, and Human antigen. The Sialylated Lewis a / CA 19-9 Monoclonal Antibody has been validated for the following applications: Immunohistochemistry, and Immunohistochemistry - fixed.