title: Crohn's disease: natural history and treatment.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000627:therapeutic use; D000963:Antimetabolites / Q000627:therapeutic use; D003424:Crohn Disease / Q000188:drug therapy / Q000601:surgery; D006801:Humans
chemical_list: D000963:Antimetabolites; D000324:Adrenocorticotropic Hormone