title: [Immunoglobulin A--a protector of mucous membranes].
mesh_terms: D006801:Humans; D007070:Immunoglobulin A; D009092:Mucous Membrane / Q000276:immunology*
chemical_list: D007070:Immunoglobulin A
vernacular_title: Immunoglobuliini A--limakalvojen suoja.