title: Crohn's disease: drug therapy or surgery?
authors.forename: Neil H
authors.initials: NH
authors.lastname: Hyman
mesh_terms: D003424:Crohn Disease / Q000188:drug therapy* / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D006801:Humans; D007155:Immunologic Factors / Q000627:therapeutic use*
chemical_list: D007155:Immunologic Factors