Immunoglobulins and the gastrointestinal tract.
D004064:Digestive System / Q000276:immunology*; D006801:Humans; D007154:Immune System Diseases / Q000209:etiology*; D007136:Immunoglobulins; D005719:gamma-Globulins
D007136:Immunoglobulins; D005719:gamma-Globulins