title: Immunological specificity of secretory IgA.
mesh_terms: D000914:Antibodies, Viral / Q000276:immunology; D000918:Antibody Specificity; D006801:Humans; D007070:Immunoglobulin A / Q000276:immunology*; D007071:Immunoglobulin A, Secretory / Q000276:immunology*; D009344:Neisseria gonorrhoeae / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory