Local immunity of the respiratory tract. Theoretical and practical considerations.
D001980:Bronchi / Q000276:immunology; D006801:Humans; D007109:Immunity; D007111:Immunity, Cellular; D009092:Mucous Membrane / Q000276:immunology; D012137:Respiratory System / Q000276:immunology*; D012141:Respiratory Tract Infections / Q000276:immunology*