title: Crohn's disease, a functional deficiency of IgA?
mesh_terms: D003424:Crohn Disease / Q000209:etiology*; D004406:Dysgammaglobulinemia / Q000150:complications*; D005260:Female; D006801:Humans; D007070:Immunoglobulin A / Q000276:immunology; D008954:Models, Biological; D012737:Sex Factors
chemical_list: D007070:Immunoglobulin A