title: IgA deficiency and milk precipitins.
mesh_terms: D000361:Agammaglobulinemia; D000818:Animals; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D003165:Complement System Proteins / Q000378:metabolism; D006801:Humans; D006967:Hypersensitivity; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007782:Lactoglobulins; D008892:Milk / Q000032:analysis; D009093:Mucus / Q000378:metabolism; D011234:Precipitins; D011506:Proteins / Q000378:metabolism
chemical_list: D000906:Antibodies; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007782:Lactoglobulins; D011234:Precipitins; D011506:Proteins; D003165:Complement System Proteins