title: Secretory IgA: an adolescent coming of age.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D006801:Humans; D017098:IgA Deficiency; D007070:Immunoglobulin A; D007153:Immunologic Deficiency Syndromes / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007070:Immunoglobulin A